Changes between Initial Version and Version 1 of Ticket #2424


Ignore:
Timestamp:
Sep 19, 2019, 11:07:49 AM (6 years ago)
Author:
Eric Pettersen
Comment:

Legend:

Unmodified
Added
Removed
Modified

  • Ticket #2424

    • Property Component Unassigned → Third Party
    • Property Owner set to Tristan Croll
    • Property Platform → all
    • Property Project → ChimeraX
    • Property Status new → assigned
    • Property Summary ChimeraX bug report submission → Array of coordinates is None

  • Ticket #2424 – Description

    initial v1  
    414414See log for complete Python traceback. 
    415415 
     416
     417[_many_ of these deleted]
     418
    416419Traceback (most recent call last): 
    417420File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    … …  
    464467See log for complete Python traceback. 
    465468 
    466 Traceback (most recent call last): 
    467 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    469 return self._func(self._name, data) 
    470 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    471 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    472 _push_coords_to_sim 
    473 self.thread_handler.coords = self._pending_coords 
    474 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    475 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    476 f(self._c_pointer, n, pointer(coords)) 
    477 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    478 packages/chimerax/atomic/molc.py", line 320, in pointer 
    479 cty = numpy_type_to_ctype[a.dtype.type] 
    480 AttributeError: 'NoneType' object has no attribute 'dtype' 
    481  
    482 Error processing trigger "coord update": 
    483 AttributeError: 'NoneType' object has no attribute 'dtype' 
    484  
    485 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    486 packages/chimerax/atomic/molc.py", line 320, in pointer 
    487 cty = numpy_type_to_ctype[a.dtype.type] 
    488  
    489 See log for complete Python traceback. 
    490  
    491 Traceback (most recent call last): 
    492 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    494 return self._func(self._name, data) 
    495 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    496 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    497 _push_coords_to_sim 
    498 self.thread_handler.coords = self._pending_coords 
    499 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    500 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    501 f(self._c_pointer, n, pointer(coords)) 
    502 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    503 packages/chimerax/atomic/molc.py", line 320, in pointer 
    504 cty = numpy_type_to_ctype[a.dtype.type] 
    505 AttributeError: 'NoneType' object has no attribute 'dtype' 
    506  
    507 Error processing trigger "coord update": 
    508 AttributeError: 'NoneType' object has no attribute 'dtype' 
    509  
    510 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    511 packages/chimerax/atomic/molc.py", line 320, in pointer 
    512 cty = numpy_type_to_ctype[a.dtype.type] 
    513  
    514 See log for complete Python traceback. 
    515  
    516 Traceback (most recent call last): 
    517 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    519 return self._func(self._name, data) 
    520 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    521 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    522 _push_coords_to_sim 
    523 self.thread_handler.coords = self._pending_coords 
    524 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    525 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    526 f(self._c_pointer, n, pointer(coords)) 
    527 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    528 packages/chimerax/atomic/molc.py", line 320, in pointer 
    529 cty = numpy_type_to_ctype[a.dtype.type] 
    530 AttributeError: 'NoneType' object has no attribute 'dtype' 
    531  
    532 Error processing trigger "coord update": 
    533 AttributeError: 'NoneType' object has no attribute 'dtype' 
    534  
    535 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    536 packages/chimerax/atomic/molc.py", line 320, in pointer 
    537 cty = numpy_type_to_ctype[a.dtype.type] 
    538  
    539 See log for complete Python traceback. 
    540  
    541 Traceback (most recent call last): 
    542 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    544 return self._func(self._name, data) 
    545 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    546 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    547 _push_coords_to_sim 
    548 self.thread_handler.coords = self._pending_coords 
    549 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    550 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    551 f(self._c_pointer, n, pointer(coords)) 
    552 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    553 packages/chimerax/atomic/molc.py", line 320, in pointer 
    554 cty = numpy_type_to_ctype[a.dtype.type] 
    555 AttributeError: 'NoneType' object has no attribute 'dtype' 
    556  
    557 Error processing trigger "coord update": 
    558 AttributeError: 'NoneType' object has no attribute 'dtype' 
    559  
    560 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    561 packages/chimerax/atomic/molc.py", line 320, in pointer 
    562 cty = numpy_type_to_ctype[a.dtype.type] 
    563  
    564 See log for complete Python traceback. 
    565  
    566 Traceback (most recent call last): 
    567 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    569 return self._func(self._name, data) 
    570 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    571 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    572 _push_coords_to_sim 
    573 self.thread_handler.coords = self._pending_coords 
    574 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    575 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    576 f(self._c_pointer, n, pointer(coords)) 
    577 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    578 packages/chimerax/atomic/molc.py", line 320, in pointer 
    579 cty = numpy_type_to_ctype[a.dtype.type] 
    580 AttributeError: 'NoneType' object has no attribute 'dtype' 
    581  
    582 Error processing trigger "coord update": 
    583 AttributeError: 'NoneType' object has no attribute 'dtype' 
    584  
    585 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    586 packages/chimerax/atomic/molc.py", line 320, in pointer 
    587 cty = numpy_type_to_ctype[a.dtype.type] 
    588  
    589 See log for complete Python traceback. 
    590  
    591 Traceback (most recent call last): 
    592 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    594 return self._func(self._name, data) 
    595 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    596 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    597 _push_coords_to_sim 
    598 self.thread_handler.coords = self._pending_coords 
    599 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    600 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    601 f(self._c_pointer, n, pointer(coords)) 
    602 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    603 packages/chimerax/atomic/molc.py", line 320, in pointer 
    604 cty = numpy_type_to_ctype[a.dtype.type] 
    605 AttributeError: 'NoneType' object has no attribute 'dtype' 
    606  
    607 Error processing trigger "coord update": 
    608 AttributeError: 'NoneType' object has no attribute 'dtype' 
    609  
    610 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    611 packages/chimerax/atomic/molc.py", line 320, in pointer 
    612 cty = numpy_type_to_ctype[a.dtype.type] 
    613  
    614 See log for complete Python traceback. 
    615  
    616 Traceback (most recent call last): 
    617 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    619 return self._func(self._name, data) 
    620 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    621 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    622 _push_coords_to_sim 
    623 self.thread_handler.coords = self._pending_coords 
    624 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    625 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    626 f(self._c_pointer, n, pointer(coords)) 
    627 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    628 packages/chimerax/atomic/molc.py", line 320, in pointer 
    629 cty = numpy_type_to_ctype[a.dtype.type] 
    630 AttributeError: 'NoneType' object has no attribute 'dtype' 
    631  
    632 Error processing trigger "coord update": 
    633 AttributeError: 'NoneType' object has no attribute 'dtype' 
    634  
    635 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    636 packages/chimerax/atomic/molc.py", line 320, in pointer 
    637 cty = numpy_type_to_ctype[a.dtype.type] 
    638  
    639 See log for complete Python traceback. 
    640  
    641 Traceback (most recent call last): 
    642 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    644 return self._func(self._name, data) 
    645 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    646 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    647 _push_coords_to_sim 
    648 self.thread_handler.coords = self._pending_coords 
    649 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    650 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    651 f(self._c_pointer, n, pointer(coords)) 
    652 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    653 packages/chimerax/atomic/molc.py", line 320, in pointer 
    654 cty = numpy_type_to_ctype[a.dtype.type] 
    655 AttributeError: 'NoneType' object has no attribute 'dtype' 
    656  
    657 Error processing trigger "coord update": 
    658 AttributeError: 'NoneType' object has no attribute 'dtype' 
    659  
    660 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    661 packages/chimerax/atomic/molc.py", line 320, in pointer 
    662 cty = numpy_type_to_ctype[a.dtype.type] 
    663  
    664 See log for complete Python traceback. 
    665  
    666 Traceback (most recent call last): 
    667 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    669 return self._func(self._name, data) 
    670 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    671 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    672 _push_coords_to_sim 
    673 self.thread_handler.coords = self._pending_coords 
    674 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    675 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    676 f(self._c_pointer, n, pointer(coords)) 
    677 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    678 packages/chimerax/atomic/molc.py", line 320, in pointer 
    679 cty = numpy_type_to_ctype[a.dtype.type] 
    680 AttributeError: 'NoneType' object has no attribute 'dtype' 
    681  
    682 Error processing trigger "coord update": 
    683 AttributeError: 'NoneType' object has no attribute 'dtype' 
    684  
    685 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    686 packages/chimerax/atomic/molc.py", line 320, in pointer 
    687 cty = numpy_type_to_ctype[a.dtype.type] 
    688  
    689 See log for complete Python traceback. 
    690  
    691 Traceback (most recent call last): 
    692 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    694 return self._func(self._name, data) 
    695 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    696 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    697 _push_coords_to_sim 
    698 self.thread_handler.coords = self._pending_coords 
    699 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    700 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    701 f(self._c_pointer, n, pointer(coords)) 
    702 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    703 packages/chimerax/atomic/molc.py", line 320, in pointer 
    704 cty = numpy_type_to_ctype[a.dtype.type] 
    705 AttributeError: 'NoneType' object has no attribute 'dtype' 
    706  
    707 Error processing trigger "coord update": 
    708 AttributeError: 'NoneType' object has no attribute 'dtype' 
    709  
    710 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    711 packages/chimerax/atomic/molc.py", line 320, in pointer 
    712 cty = numpy_type_to_ctype[a.dtype.type] 
    713  
    714 See log for complete Python traceback. 
    715  
    716 Traceback (most recent call last): 
    717 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    719 return self._func(self._name, data) 
    720 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    721 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    722 _push_coords_to_sim 
    723 self.thread_handler.coords = self._pending_coords 
    724 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    725 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    726 f(self._c_pointer, n, pointer(coords)) 
    727 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    728 packages/chimerax/atomic/molc.py", line 320, in pointer 
    729 cty = numpy_type_to_ctype[a.dtype.type] 
    730 AttributeError: 'NoneType' object has no attribute 'dtype' 
    731  
    732 Error processing trigger "coord update": 
    733 AttributeError: 'NoneType' object has no attribute 'dtype' 
    734  
    735 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    736 packages/chimerax/atomic/molc.py", line 320, in pointer 
    737 cty = numpy_type_to_ctype[a.dtype.type] 
    738  
    739 See log for complete Python traceback. 
    740  
    741 Traceback (most recent call last): 
    742 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    744 return self._func(self._name, data) 
    745 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    746 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    747 _push_coords_to_sim 
    748 self.thread_handler.coords = self._pending_coords 
    749 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    750 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    751 f(self._c_pointer, n, pointer(coords)) 
    752 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    753 packages/chimerax/atomic/molc.py", line 320, in pointer 
    754 cty = numpy_type_to_ctype[a.dtype.type] 
    755 AttributeError: 'NoneType' object has no attribute 'dtype' 
    756  
    757 Error processing trigger "coord update": 
    758 AttributeError: 'NoneType' object has no attribute 'dtype' 
    759  
    760 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    761 packages/chimerax/atomic/molc.py", line 320, in pointer 
    762 cty = numpy_type_to_ctype[a.dtype.type] 
    763  
    764 See log for complete Python traceback. 
    765  
    766 Traceback (most recent call last): 
    767 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    769 return self._func(self._name, data) 
    770 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    771 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    772 _push_coords_to_sim 
    773 self.thread_handler.coords = self._pending_coords 
    774 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    775 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    776 f(self._c_pointer, n, pointer(coords)) 
    777 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    778 packages/chimerax/atomic/molc.py", line 320, in pointer 
    779 cty = numpy_type_to_ctype[a.dtype.type] 
    780 AttributeError: 'NoneType' object has no attribute 'dtype' 
    781  
    782 Error processing trigger "coord update": 
    783 AttributeError: 'NoneType' object has no attribute 'dtype' 
    784  
    785 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    786 packages/chimerax/atomic/molc.py", line 320, in pointer 
    787 cty = numpy_type_to_ctype[a.dtype.type] 
    788  
    789 See log for complete Python traceback. 
    790  
    791 Traceback (most recent call last): 
    792 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    794 return self._func(self._name, data) 
    795 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    796 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    797 _push_coords_to_sim 
    798 self.thread_handler.coords = self._pending_coords 
    799 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    800 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    801 f(self._c_pointer, n, pointer(coords)) 
    802 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    803 packages/chimerax/atomic/molc.py", line 320, in pointer 
    804 cty = numpy_type_to_ctype[a.dtype.type] 
    805 AttributeError: 'NoneType' object has no attribute 'dtype' 
    806  
    807 Error processing trigger "coord update": 
    808 AttributeError: 'NoneType' object has no attribute 'dtype' 
    809  
    810 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    811 packages/chimerax/atomic/molc.py", line 320, in pointer 
    812 cty = numpy_type_to_ctype[a.dtype.type] 
    813  
    814 See log for complete Python traceback. 
    815  
    816 Traceback (most recent call last): 
    817 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    819 return self._func(self._name, data) 
    820 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    821 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    822 _push_coords_to_sim 
    823 self.thread_handler.coords = self._pending_coords 
    824 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    825 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    826 f(self._c_pointer, n, pointer(coords)) 
    827 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    828 packages/chimerax/atomic/molc.py", line 320, in pointer 
    829 cty = numpy_type_to_ctype[a.dtype.type] 
    830 AttributeError: 'NoneType' object has no attribute 'dtype' 
    831  
    832 Error processing trigger "coord update": 
    833 AttributeError: 'NoneType' object has no attribute 'dtype' 
    834  
    835 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    836 packages/chimerax/atomic/molc.py", line 320, in pointer 
    837 cty = numpy_type_to_ctype[a.dtype.type] 
    838  
    839 See log for complete Python traceback. 
    840  
    841 Traceback (most recent call last): 
    842 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    844 return self._func(self._name, data) 
    845 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    846 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    847 _push_coords_to_sim 
    848 self.thread_handler.coords = self._pending_coords 
    849 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    850 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    851 f(self._c_pointer, n, pointer(coords)) 
    852 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    853 packages/chimerax/atomic/molc.py", line 320, in pointer 
    854 cty = numpy_type_to_ctype[a.dtype.type] 
    855 AttributeError: 'NoneType' object has no attribute 'dtype' 
    856  
    857 Error processing trigger "coord update": 
    858 AttributeError: 'NoneType' object has no attribute 'dtype' 
    859  
    860 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    861 packages/chimerax/atomic/molc.py", line 320, in pointer 
    862 cty = numpy_type_to_ctype[a.dtype.type] 
    863  
    864 See log for complete Python traceback. 
    865  
    866 Traceback (most recent call last): 
    867 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    869 return self._func(self._name, data) 
    870 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    871 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    872 _push_coords_to_sim 
    873 self.thread_handler.coords = self._pending_coords 
    874 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    875 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    876 f(self._c_pointer, n, pointer(coords)) 
    877 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    878 packages/chimerax/atomic/molc.py", line 320, in pointer 
    879 cty = numpy_type_to_ctype[a.dtype.type] 
    880 AttributeError: 'NoneType' object has no attribute 'dtype' 
    881  
    882 Error processing trigger "coord update": 
    883 AttributeError: 'NoneType' object has no attribute 'dtype' 
    884  
    885 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    886 packages/chimerax/atomic/molc.py", line 320, in pointer 
    887 cty = numpy_type_to_ctype[a.dtype.type] 
    888  
    889 See log for complete Python traceback. 
    890  
    891 Traceback (most recent call last): 
    892 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    894 return self._func(self._name, data) 
    895 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    896 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    897 _push_coords_to_sim 
    898 self.thread_handler.coords = self._pending_coords 
    899 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    900 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    901 f(self._c_pointer, n, pointer(coords)) 
    902 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    903 packages/chimerax/atomic/molc.py", line 320, in pointer 
    904 cty = numpy_type_to_ctype[a.dtype.type] 
    905 AttributeError: 'NoneType' object has no attribute 'dtype' 
    906  
    907 Error processing trigger "coord update": 
    908 AttributeError: 'NoneType' object has no attribute 'dtype' 
    909  
    910 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    911 packages/chimerax/atomic/molc.py", line 320, in pointer 
    912 cty = numpy_type_to_ctype[a.dtype.type] 
    913  
    914 See log for complete Python traceback. 
    915  
    916 Traceback (most recent call last): 
    917 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    919 return self._func(self._name, data) 
    920 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    921 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    922 _push_coords_to_sim 
    923 self.thread_handler.coords = self._pending_coords 
    924 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    925 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    926 f(self._c_pointer, n, pointer(coords)) 
    927 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    928 packages/chimerax/atomic/molc.py", line 320, in pointer 
    929 cty = numpy_type_to_ctype[a.dtype.type] 
    930 AttributeError: 'NoneType' object has no attribute 'dtype' 
    931  
    932 Error processing trigger "coord update": 
    933 AttributeError: 'NoneType' object has no attribute 'dtype' 
    934  
    935 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    936 packages/chimerax/atomic/molc.py", line 320, in pointer 
    937 cty = numpy_type_to_ctype[a.dtype.type] 
    938  
    939 See log for complete Python traceback. 
    940  
    941 Traceback (most recent call last): 
    942 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    944 return self._func(self._name, data) 
    945 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    946 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    947 _push_coords_to_sim 
    948 self.thread_handler.coords = self._pending_coords 
    949 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    950 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    951 f(self._c_pointer, n, pointer(coords)) 
    952 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    953 packages/chimerax/atomic/molc.py", line 320, in pointer 
    954 cty = numpy_type_to_ctype[a.dtype.type] 
    955 AttributeError: 'NoneType' object has no attribute 'dtype' 
    956  
    957 Error processing trigger "coord update": 
    958 AttributeError: 'NoneType' object has no attribute 'dtype' 
    959  
    960 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    961 packages/chimerax/atomic/molc.py", line 320, in pointer 
    962 cty = numpy_type_to_ctype[a.dtype.type] 
    963  
    964 See log for complete Python traceback. 
    965  
    966 Traceback (most recent call last): 
    967 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    969 return self._func(self._name, data) 
    970 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    971 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    972 _push_coords_to_sim 
    973 self.thread_handler.coords = self._pending_coords 
    974 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    975 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    976 f(self._c_pointer, n, pointer(coords)) 
    977 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    978 packages/chimerax/atomic/molc.py", line 320, in pointer 
    979 cty = numpy_type_to_ctype[a.dtype.type] 
    980 AttributeError: 'NoneType' object has no attribute 'dtype' 
    981  
    982 Error processing trigger "coord update": 
    983 AttributeError: 'NoneType' object has no attribute 'dtype' 
    984  
    985 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    986 packages/chimerax/atomic/molc.py", line 320, in pointer 
    987 cty = numpy_type_to_ctype[a.dtype.type] 
    988  
    989 See log for complete Python traceback. 
    990  
    991 Traceback (most recent call last): 
    992 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    994 return self._func(self._name, data) 
    995 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    996 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    997 _push_coords_to_sim 
    998 self.thread_handler.coords = self._pending_coords 
    999 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1000 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1001 f(self._c_pointer, n, pointer(coords)) 
    1002 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1003 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1004 cty = numpy_type_to_ctype[a.dtype.type] 
    1005 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1006  
    1007 Error processing trigger "coord update": 
    1008 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1009  
    1010 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1011 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1012 cty = numpy_type_to_ctype[a.dtype.type] 
    1013  
    1014 See log for complete Python traceback. 
    1015  
    1016 Traceback (most recent call last): 
    1017 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1019 return self._func(self._name, data) 
    1020 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1021 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1022 _push_coords_to_sim 
    1023 self.thread_handler.coords = self._pending_coords 
    1024 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1025 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1026 f(self._c_pointer, n, pointer(coords)) 
    1027 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1028 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1029 cty = numpy_type_to_ctype[a.dtype.type] 
    1030 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1031  
    1032 Error processing trigger "coord update": 
    1033 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1034  
    1035 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1036 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1037 cty = numpy_type_to_ctype[a.dtype.type] 
    1038  
    1039 See log for complete Python traceback. 
    1040  
    1041 Traceback (most recent call last): 
    1042 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1044 return self._func(self._name, data) 
    1045 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1046 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1047 _push_coords_to_sim 
    1048 self.thread_handler.coords = self._pending_coords 
    1049 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1050 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1051 f(self._c_pointer, n, pointer(coords)) 
    1052 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1053 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1054 cty = numpy_type_to_ctype[a.dtype.type] 
    1055 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1056  
    1057 Error processing trigger "coord update": 
    1058 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1059  
    1060 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1061 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1062 cty = numpy_type_to_ctype[a.dtype.type] 
    1063  
    1064 See log for complete Python traceback. 
    1065  
    1066 Traceback (most recent call last): 
    1067 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1069 return self._func(self._name, data) 
    1070 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1071 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1072 _push_coords_to_sim 
    1073 self.thread_handler.coords = self._pending_coords 
    1074 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1075 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1076 f(self._c_pointer, n, pointer(coords)) 
    1077 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1078 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1079 cty = numpy_type_to_ctype[a.dtype.type] 
    1080 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1081  
    1082 Error processing trigger "coord update": 
    1083 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1084  
    1085 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1086 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1087 cty = numpy_type_to_ctype[a.dtype.type] 
    1088  
    1089 See log for complete Python traceback. 
    1090  
    1091 Traceback (most recent call last): 
    1092 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1094 return self._func(self._name, data) 
    1095 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1096 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1097 _push_coords_to_sim 
    1098 self.thread_handler.coords = self._pending_coords 
    1099 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1100 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1101 f(self._c_pointer, n, pointer(coords)) 
    1102 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1103 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1104 cty = numpy_type_to_ctype[a.dtype.type] 
    1105 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1106  
    1107 Error processing trigger "coord update": 
    1108 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1109  
    1110 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1111 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1112 cty = numpy_type_to_ctype[a.dtype.type] 
    1113  
    1114 See log for complete Python traceback. 
    1115  
    1116 Traceback (most recent call last): 
    1117 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1119 return self._func(self._name, data) 
    1120 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1121 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1122 _push_coords_to_sim 
    1123 self.thread_handler.coords = self._pending_coords 
    1124 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1125 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1126 f(self._c_pointer, n, pointer(coords)) 
    1127 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1128 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1129 cty = numpy_type_to_ctype[a.dtype.type] 
    1130 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1131  
    1132 Error processing trigger "coord update": 
    1133 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1134  
    1135 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1136 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1137 cty = numpy_type_to_ctype[a.dtype.type] 
    1138  
    1139 See log for complete Python traceback. 
    1140  
    1141 Traceback (most recent call last): 
    1142 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1144 return self._func(self._name, data) 
    1145 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1146 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1147 _push_coords_to_sim 
    1148 self.thread_handler.coords = self._pending_coords 
    1149 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1150 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1151 f(self._c_pointer, n, pointer(coords)) 
    1152 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1153 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1154 cty = numpy_type_to_ctype[a.dtype.type] 
    1155 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1156  
    1157 Error processing trigger "coord update": 
    1158 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1159  
    1160 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1161 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1162 cty = numpy_type_to_ctype[a.dtype.type] 
    1163  
    1164 See log for complete Python traceback. 
    1165  
    1166 Traceback (most recent call last): 
    1167 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1169 return self._func(self._name, data) 
    1170 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1171 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1172 _push_coords_to_sim 
    1173 self.thread_handler.coords = self._pending_coords 
    1174 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1175 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1176 f(self._c_pointer, n, pointer(coords)) 
    1177 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1178 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1179 cty = numpy_type_to_ctype[a.dtype.type] 
    1180 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1181  
    1182 Error processing trigger "coord update": 
    1183 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1184  
    1185 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1186 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1187 cty = numpy_type_to_ctype[a.dtype.type] 
    1188  
    1189 See log for complete Python traceback. 
    1190  
    1191 Traceback (most recent call last): 
    1192 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1194 return self._func(self._name, data) 
    1195 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1196 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1197 _push_coords_to_sim 
    1198 self.thread_handler.coords = self._pending_coords 
    1199 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1200 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1201 f(self._c_pointer, n, pointer(coords)) 
    1202 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1203 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1204 cty = numpy_type_to_ctype[a.dtype.type] 
    1205 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1206  
    1207 Error processing trigger "coord update": 
    1208 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1209  
    1210 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1211 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1212 cty = numpy_type_to_ctype[a.dtype.type] 
    1213  
    1214 See log for complete Python traceback. 
    1215  
    1216 Traceback (most recent call last): 
    1217 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1219 return self._func(self._name, data) 
    1220 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1221 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1222 _push_coords_to_sim 
    1223 self.thread_handler.coords = self._pending_coords 
    1224 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1225 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1226 f(self._c_pointer, n, pointer(coords)) 
    1227 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1228 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1229 cty = numpy_type_to_ctype[a.dtype.type] 
    1230 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1231  
    1232 Error processing trigger "coord update": 
    1233 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1234  
    1235 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1236 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1237 cty = numpy_type_to_ctype[a.dtype.type] 
    1238  
    1239 See log for complete Python traceback. 
    1240  
    1241 Traceback (most recent call last): 
    1242 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1244 return self._func(self._name, data) 
    1245 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1246 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1247 _push_coords_to_sim 
    1248 self.thread_handler.coords = self._pending_coords 
    1249 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1250 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1251 f(self._c_pointer, n, pointer(coords)) 
    1252 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1253 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1254 cty = numpy_type_to_ctype[a.dtype.type] 
    1255 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1256  
    1257 Error processing trigger "coord update": 
    1258 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1259  
    1260 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1261 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1262 cty = numpy_type_to_ctype[a.dtype.type] 
    1263  
    1264 See log for complete Python traceback. 
    1265  
    1266 Traceback (most recent call last): 
    1267 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1269 return self._func(self._name, data) 
    1270 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1271 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1272 _push_coords_to_sim 
    1273 self.thread_handler.coords = self._pending_coords 
    1274 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1275 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1276 f(self._c_pointer, n, pointer(coords)) 
    1277 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1278 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1279 cty = numpy_type_to_ctype[a.dtype.type] 
    1280 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1281  
    1282 Error processing trigger "coord update": 
    1283 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1284  
    1285 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1286 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1287 cty = numpy_type_to_ctype[a.dtype.type] 
    1288  
    1289 See log for complete Python traceback. 
    1290  
    1291 Traceback (most recent call last): 
    1292 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1294 return self._func(self._name, data) 
    1295 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1296 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1297 _push_coords_to_sim 
    1298 self.thread_handler.coords = self._pending_coords 
    1299 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1300 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1301 f(self._c_pointer, n, pointer(coords)) 
    1302 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1303 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1304 cty = numpy_type_to_ctype[a.dtype.type] 
    1305 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1306  
    1307 Error processing trigger "coord update": 
    1308 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1309  
    1310 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1311 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1312 cty = numpy_type_to_ctype[a.dtype.type] 
    1313  
    1314 See log for complete Python traceback. 
    1315  
    1316 Traceback (most recent call last): 
    1317 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1319 return self._func(self._name, data) 
    1320 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1321 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1322 _push_coords_to_sim 
    1323 self.thread_handler.coords = self._pending_coords 
    1324 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1325 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1326 f(self._c_pointer, n, pointer(coords)) 
    1327 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1328 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1329 cty = numpy_type_to_ctype[a.dtype.type] 
    1330 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1331  
    1332 Error processing trigger "coord update": 
    1333 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1334  
    1335 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1336 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1337 cty = numpy_type_to_ctype[a.dtype.type] 
    1338  
    1339 See log for complete Python traceback. 
    1340  
    1341 Traceback (most recent call last): 
    1342 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1344 return self._func(self._name, data) 
    1345 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1346 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1347 _push_coords_to_sim 
    1348 self.thread_handler.coords = self._pending_coords 
    1349 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1350 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1351 f(self._c_pointer, n, pointer(coords)) 
    1352 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1353 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1354 cty = numpy_type_to_ctype[a.dtype.type] 
    1355 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1356  
    1357 Error processing trigger "coord update": 
    1358 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1359  
    1360 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1361 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1362 cty = numpy_type_to_ctype[a.dtype.type] 
    1363  
    1364 See log for complete Python traceback. 
    1365  
    1366 Traceback (most recent call last): 
    1367 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1369 return self._func(self._name, data) 
    1370 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1371 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1372 _push_coords_to_sim 
    1373 self.thread_handler.coords = self._pending_coords 
    1374 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1375 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1376 f(self._c_pointer, n, pointer(coords)) 
    1377 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1378 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1379 cty = numpy_type_to_ctype[a.dtype.type] 
    1380 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1381  
    1382 Error processing trigger "coord update": 
    1383 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1384  
    1385 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1386 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1387 cty = numpy_type_to_ctype[a.dtype.type] 
    1388  
    1389 See log for complete Python traceback. 
    1390  
    1391 Traceback (most recent call last): 
    1392 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1394 return self._func(self._name, data) 
    1395 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1396 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1397 _push_coords_to_sim 
    1398 self.thread_handler.coords = self._pending_coords 
    1399 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1400 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1401 f(self._c_pointer, n, pointer(coords)) 
    1402 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1403 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1404 cty = numpy_type_to_ctype[a.dtype.type] 
    1405 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1406  
    1407 Error processing trigger "coord update": 
    1408 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1409  
    1410 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1411 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1412 cty = numpy_type_to_ctype[a.dtype.type] 
    1413  
    1414 See log for complete Python traceback. 
    1415  
    1416 Traceback (most recent call last): 
    1417 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1418 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1419 return self._func(self._name, data) 
    1420 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1421 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1422 _push_coords_to_sim 
    1423 self.thread_handler.coords = self._pending_coords 
    1424 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1425 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1426 f(self._c_pointer, n, pointer(coords)) 
    1427 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1428 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1429 cty = numpy_type_to_ctype[a.dtype.type] 
    1430 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1431  
    1432 Error processing trigger "coord update": 
    1433 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1434  
    1435 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1436 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1437 cty = numpy_type_to_ctype[a.dtype.type] 
    1438  
    1439 See log for complete Python traceback. 
    1440  
    1441 Traceback (most recent call last): 
    1442 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1444 return self._func(self._name, data) 
    1445 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1446 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1447 _push_coords_to_sim 
    1448 self.thread_handler.coords = self._pending_coords 
    1449 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1450 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1451 f(self._c_pointer, n, pointer(coords)) 
    1452 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1453 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1454 cty = numpy_type_to_ctype[a.dtype.type] 
    1455 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1456  
    1457 Error processing trigger "coord update": 
    1458 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1459  
    1460 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1461 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1462 cty = numpy_type_to_ctype[a.dtype.type] 
    1463  
    1464 See log for complete Python traceback. 
    1465  
    1466 Traceback (most recent call last): 
    1467 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1469 return self._func(self._name, data) 
    1470 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1471 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1472 _push_coords_to_sim 
    1473 self.thread_handler.coords = self._pending_coords 
    1474 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1475 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1476 f(self._c_pointer, n, pointer(coords)) 
    1477 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1478 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1479 cty = numpy_type_to_ctype[a.dtype.type] 
    1480 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1481  
    1482 Error processing trigger "coord update": 
    1483 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1484  
    1485 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1486 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1487 cty = numpy_type_to_ctype[a.dtype.type] 
    1488  
    1489 See log for complete Python traceback. 
    1490  
    1491 Traceback (most recent call last): 
    1492 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1494 return self._func(self._name, data) 
    1495 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1496 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1497 _push_coords_to_sim 
    1498 self.thread_handler.coords = self._pending_coords 
    1499 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1500 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1501 f(self._c_pointer, n, pointer(coords)) 
    1502 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1503 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1504 cty = numpy_type_to_ctype[a.dtype.type] 
    1505 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1506  
    1507 Error processing trigger "coord update": 
    1508 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1509  
    1510 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1511 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1512 cty = numpy_type_to_ctype[a.dtype.type] 
    1513  
    1514 See log for complete Python traceback. 
    1515  
    1516 Traceback (most recent call last): 
    1517 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1519 return self._func(self._name, data) 
    1520 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1521 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1522 _push_coords_to_sim 
    1523 self.thread_handler.coords = self._pending_coords 
    1524 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1525 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1526 f(self._c_pointer, n, pointer(coords)) 
    1527 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1528 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1529 cty = numpy_type_to_ctype[a.dtype.type] 
    1530 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1531  
    1532 Error processing trigger "coord update": 
    1533 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1534  
    1535 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1536 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1537 cty = numpy_type_to_ctype[a.dtype.type] 
    1538  
    1539 See log for complete Python traceback. 
    1540  
    1541 Traceback (most recent call last): 
    1542 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1544 return self._func(self._name, data) 
    1545 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1546 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1547 _push_coords_to_sim 
    1548 self.thread_handler.coords = self._pending_coords 
    1549 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1550 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1551 f(self._c_pointer, n, pointer(coords)) 
    1552 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1553 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1554 cty = numpy_type_to_ctype[a.dtype.type] 
    1555 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1556  
    1557 Error processing trigger "coord update": 
    1558 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1559  
    1560 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1561 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1562 cty = numpy_type_to_ctype[a.dtype.type] 
    1563  
    1564 See log for complete Python traceback. 
    1565  
    1566 Traceback (most recent call last): 
    1567 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1569 return self._func(self._name, data) 
    1570 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1571 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1572 _push_coords_to_sim 
    1573 self.thread_handler.coords = self._pending_coords 
    1574 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1575 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1576 f(self._c_pointer, n, pointer(coords)) 
    1577 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1578 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1579 cty = numpy_type_to_ctype[a.dtype.type] 
    1580 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1581  
    1582 Error processing trigger "coord update": 
    1583 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1584  
    1585 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1586 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1587 cty = numpy_type_to_ctype[a.dtype.type] 
    1588  
    1589 See log for complete Python traceback. 
    1590  
    1591 Traceback (most recent call last): 
    1592 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1594 return self._func(self._name, data) 
    1595 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1596 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1597 _push_coords_to_sim 
    1598 self.thread_handler.coords = self._pending_coords 
    1599 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1600 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1601 f(self._c_pointer, n, pointer(coords)) 
    1602 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1603 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1604 cty = numpy_type_to_ctype[a.dtype.type] 
    1605 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1606  
    1607 Error processing trigger "coord update": 
    1608 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1609  
    1610 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1611 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1612 cty = numpy_type_to_ctype[a.dtype.type] 
    1613  
    1614 See log for complete Python traceback. 
    1615  
    1616 Traceback (most recent call last): 
    1617 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1619 return self._func(self._name, data) 
    1620 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1621 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1622 _push_coords_to_sim 
    1623 self.thread_handler.coords = self._pending_coords 
    1624 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1625 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1626 f(self._c_pointer, n, pointer(coords)) 
    1627 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1628 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1629 cty = numpy_type_to_ctype[a.dtype.type] 
    1630 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1631  
    1632 Error processing trigger "coord update": 
    1633 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1634  
    1635 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1636 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1637 cty = numpy_type_to_ctype[a.dtype.type] 
    1638  
    1639 See log for complete Python traceback. 
    1640  
    1641 Traceback (most recent call last): 
    1642 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1644 return self._func(self._name, data) 
    1645 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1646 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1647 _push_coords_to_sim 
    1648 self.thread_handler.coords = self._pending_coords 
    1649 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1650 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1651 f(self._c_pointer, n, pointer(coords)) 
    1652 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1653 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1654 cty = numpy_type_to_ctype[a.dtype.type] 
    1655 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1656  
    1657 Error processing trigger "coord update": 
    1658 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1659  
    1660 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1661 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1662 cty = numpy_type_to_ctype[a.dtype.type] 
    1663  
    1664 See log for complete Python traceback. 
    1665  
    1666 Traceback (most recent call last): 
    1667 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1669 return self._func(self._name, data) 
    1670 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1671 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1672 _push_coords_to_sim 
    1673 self.thread_handler.coords = self._pending_coords 
    1674 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1675 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1676 f(self._c_pointer, n, pointer(coords)) 
    1677 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1678 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1679 cty = numpy_type_to_ctype[a.dtype.type] 
    1680 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1681  
    1682 Error processing trigger "coord update": 
    1683 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1684  
    1685 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1686 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1687 cty = numpy_type_to_ctype[a.dtype.type] 
    1688  
    1689 See log for complete Python traceback. 
    1690  
    1691 Traceback (most recent call last): 
    1692 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1694 return self._func(self._name, data) 
    1695 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1696 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1697 _push_coords_to_sim 
    1698 self.thread_handler.coords = self._pending_coords 
    1699 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1700 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1701 f(self._c_pointer, n, pointer(coords)) 
    1702 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1703 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1704 cty = numpy_type_to_ctype[a.dtype.type] 
    1705 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1706  
    1707 Error processing trigger "coord update": 
    1708 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1709  
    1710 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1711 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1712 cty = numpy_type_to_ctype[a.dtype.type] 
    1713  
    1714 See log for complete Python traceback. 
    1715  
    1716 Traceback (most recent call last): 
    1717 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1719 return self._func(self._name, data) 
    1720 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1721 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1722 _push_coords_to_sim 
    1723 self.thread_handler.coords = self._pending_coords 
    1724 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1725 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1726 f(self._c_pointer, n, pointer(coords)) 
    1727 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1728 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1729 cty = numpy_type_to_ctype[a.dtype.type] 
    1730 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1731  
    1732 Error processing trigger "coord update": 
    1733 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1734  
    1735 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1736 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1737 cty = numpy_type_to_ctype[a.dtype.type] 
    1738  
    1739 See log for complete Python traceback. 
    1740  
    1741 Traceback (most recent call last): 
    1742 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1744 return self._func(self._name, data) 
    1745 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1746 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1747 _push_coords_to_sim 
    1748 self.thread_handler.coords = self._pending_coords 
    1749 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1750 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1751 f(self._c_pointer, n, pointer(coords)) 
    1752 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1753 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1754 cty = numpy_type_to_ctype[a.dtype.type] 
    1755 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1756  
    1757 Error processing trigger "coord update": 
    1758 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1759  
    1760 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1761 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1762 cty = numpy_type_to_ctype[a.dtype.type] 
    1763  
    1764 See log for complete Python traceback. 
    1765  
    1766 Traceback (most recent call last): 
    1767 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1769 return self._func(self._name, data) 
    1770 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1771 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1772 _push_coords_to_sim 
    1773 self.thread_handler.coords = self._pending_coords 
    1774 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1775 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1776 f(self._c_pointer, n, pointer(coords)) 
    1777 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1778 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1779 cty = numpy_type_to_ctype[a.dtype.type] 
    1780 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1781  
    1782 Error processing trigger "coord update": 
    1783 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1784  
    1785 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1786 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1787 cty = numpy_type_to_ctype[a.dtype.type] 
    1788  
    1789 See log for complete Python traceback. 
    1790  
    1791 Traceback (most recent call last): 
    1792 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1794 return self._func(self._name, data) 
    1795 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1796 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1797 _push_coords_to_sim 
    1798 self.thread_handler.coords = self._pending_coords 
    1799 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1800 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1801 f(self._c_pointer, n, pointer(coords)) 
    1802 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1803 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1804 cty = numpy_type_to_ctype[a.dtype.type] 
    1805 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1806  
    1807 Error processing trigger "coord update": 
    1808 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1809  
    1810 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1811 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1812 cty = numpy_type_to_ctype[a.dtype.type] 
    1813  
    1814 See log for complete Python traceback. 
    1815  
    1816 Traceback (most recent call last): 
    1817 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1819 return self._func(self._name, data) 
    1820 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1821 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1822 _push_coords_to_sim 
    1823 self.thread_handler.coords = self._pending_coords 
    1824 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1825 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1826 f(self._c_pointer, n, pointer(coords)) 
    1827 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1828 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1829 cty = numpy_type_to_ctype[a.dtype.type] 
    1830 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1831  
    1832 Error processing trigger "coord update": 
    1833 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1834  
    1835 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1836 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1837 cty = numpy_type_to_ctype[a.dtype.type] 
    1838  
    1839 See log for complete Python traceback. 
    1840  
    1841 Traceback (most recent call last): 
    1842 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1844 return self._func(self._name, data) 
    1845 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1846 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1847 _push_coords_to_sim 
    1848 self.thread_handler.coords = self._pending_coords 
    1849 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1850 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1851 f(self._c_pointer, n, pointer(coords)) 
    1852 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1853 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1854 cty = numpy_type_to_ctype[a.dtype.type] 
    1855 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1856  
    1857 Error processing trigger "coord update": 
    1858 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1859  
    1860 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1861 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1862 cty = numpy_type_to_ctype[a.dtype.type] 
    1863  
    1864 See log for complete Python traceback. 
    1865  
    1866 Traceback (most recent call last): 
    1867 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1869 return self._func(self._name, data) 
    1870 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1871 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1872 _push_coords_to_sim 
    1873 self.thread_handler.coords = self._pending_coords 
    1874 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1875 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1876 f(self._c_pointer, n, pointer(coords)) 
    1877 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1878 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1879 cty = numpy_type_to_ctype[a.dtype.type] 
    1880 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1881  
    1882 Error processing trigger "coord update": 
    1883 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1884  
    1885 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1886 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1887 cty = numpy_type_to_ctype[a.dtype.type] 
    1888  
    1889 See log for complete Python traceback. 
    1890  
    1891 Traceback (most recent call last): 
    1892 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1894 return self._func(self._name, data) 
    1895 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1896 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1897 _push_coords_to_sim 
    1898 self.thread_handler.coords = self._pending_coords 
    1899 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1900 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1901 f(self._c_pointer, n, pointer(coords)) 
    1902 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1903 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1904 cty = numpy_type_to_ctype[a.dtype.type] 
    1905 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1906  
    1907 Error processing trigger "coord update": 
    1908 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1909  
    1910 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1911 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1912 cty = numpy_type_to_ctype[a.dtype.type] 
    1913  
    1914 See log for complete Python traceback. 
    1915  
    1916 Traceback (most recent call last): 
    1917 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1919 return self._func(self._name, data) 
    1920 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1921 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1922 _push_coords_to_sim 
    1923 self.thread_handler.coords = self._pending_coords 
    1924 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1925 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1926 f(self._c_pointer, n, pointer(coords)) 
    1927 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1928 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1929 cty = numpy_type_to_ctype[a.dtype.type] 
    1930 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1931  
    1932 Error processing trigger "coord update": 
    1933 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1934  
    1935 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1936 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1937 cty = numpy_type_to_ctype[a.dtype.type] 
    1938  
    1939 See log for complete Python traceback. 
    1940  
    1941 Traceback (most recent call last): 
    1942 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1944 return self._func(self._name, data) 
    1945 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1946 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1947 _push_coords_to_sim 
    1948 self.thread_handler.coords = self._pending_coords 
    1949 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1950 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1951 f(self._c_pointer, n, pointer(coords)) 
    1952 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1953 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1954 cty = numpy_type_to_ctype[a.dtype.type] 
    1955 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1956  
    1957 Error processing trigger "coord update": 
    1958 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1959  
    1960 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1961 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1962 cty = numpy_type_to_ctype[a.dtype.type] 
    1963  
    1964 See log for complete Python traceback. 
    1965  
    1966 Traceback (most recent call last): 
    1967 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1969 return self._func(self._name, data) 
    1970 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1971 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1972 _push_coords_to_sim 
    1973 self.thread_handler.coords = self._pending_coords 
    1974 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1975 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    1976 f(self._c_pointer, n, pointer(coords)) 
    1977 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1978 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1979 cty = numpy_type_to_ctype[a.dtype.type] 
    1980 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1981  
    1982 Error processing trigger "coord update": 
    1983 AttributeError: 'NoneType' object has no attribute 'dtype' 
    1984  
    1985 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1986 packages/chimerax/atomic/molc.py", line 320, in pointer 
    1987 cty = numpy_type_to_ctype[a.dtype.type] 
    1988  
    1989 See log for complete Python traceback. 
    1990  
    1991 Traceback (most recent call last): 
    1992 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    1993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    1994 return self._func(self._name, data) 
    1995 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    1996 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    1997 _push_coords_to_sim 
    1998 self.thread_handler.coords = self._pending_coords 
    1999 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2000 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2001 f(self._c_pointer, n, pointer(coords)) 
    2002 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2003 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2004 cty = numpy_type_to_ctype[a.dtype.type] 
    2005 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2006  
    2007 Error processing trigger "coord update": 
    2008 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2009  
    2010 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2011 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2012 cty = numpy_type_to_ctype[a.dtype.type] 
    2013  
    2014 See log for complete Python traceback. 
    2015  
    2016 Traceback (most recent call last): 
    2017 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2019 return self._func(self._name, data) 
    2020 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2021 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2022 _push_coords_to_sim 
    2023 self.thread_handler.coords = self._pending_coords 
    2024 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2025 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2026 f(self._c_pointer, n, pointer(coords)) 
    2027 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2028 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2029 cty = numpy_type_to_ctype[a.dtype.type] 
    2030 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2031  
    2032 Error processing trigger "coord update": 
    2033 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2034  
    2035 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2036 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2037 cty = numpy_type_to_ctype[a.dtype.type] 
    2038  
    2039 See log for complete Python traceback. 
    2040  
    2041 Traceback (most recent call last): 
    2042 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2044 return self._func(self._name, data) 
    2045 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2046 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2047 _push_coords_to_sim 
    2048 self.thread_handler.coords = self._pending_coords 
    2049 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2050 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2051 f(self._c_pointer, n, pointer(coords)) 
    2052 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2053 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2054 cty = numpy_type_to_ctype[a.dtype.type] 
    2055 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2056  
    2057 Error processing trigger "coord update": 
    2058 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2059  
    2060 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2061 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2062 cty = numpy_type_to_ctype[a.dtype.type] 
    2063  
    2064 See log for complete Python traceback. 
    2065  
    2066 Traceback (most recent call last): 
    2067 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2069 return self._func(self._name, data) 
    2070 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2071 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2072 _push_coords_to_sim 
    2073 self.thread_handler.coords = self._pending_coords 
    2074 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2075 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2076 f(self._c_pointer, n, pointer(coords)) 
    2077 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2078 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2079 cty = numpy_type_to_ctype[a.dtype.type] 
    2080 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2081  
    2082 Error processing trigger "coord update": 
    2083 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2084  
    2085 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2086 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2087 cty = numpy_type_to_ctype[a.dtype.type] 
    2088  
    2089 See log for complete Python traceback. 
    2090  
    2091 Traceback (most recent call last): 
    2092 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2094 return self._func(self._name, data) 
    2095 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2096 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2097 _push_coords_to_sim 
    2098 self.thread_handler.coords = self._pending_coords 
    2099 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2100 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2101 f(self._c_pointer, n, pointer(coords)) 
    2102 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2103 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2104 cty = numpy_type_to_ctype[a.dtype.type] 
    2105 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2106  
    2107 Error processing trigger "coord update": 
    2108 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2109  
    2110 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2111 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2112 cty = numpy_type_to_ctype[a.dtype.type] 
    2113  
    2114 See log for complete Python traceback. 
    2115  
    2116 Traceback (most recent call last): 
    2117 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2119 return self._func(self._name, data) 
    2120 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2121 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2122 _push_coords_to_sim 
    2123 self.thread_handler.coords = self._pending_coords 
    2124 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2125 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2126 f(self._c_pointer, n, pointer(coords)) 
    2127 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2128 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2129 cty = numpy_type_to_ctype[a.dtype.type] 
    2130 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2131  
    2132 Error processing trigger "coord update": 
    2133 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2134  
    2135 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2136 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2137 cty = numpy_type_to_ctype[a.dtype.type] 
    2138  
    2139 See log for complete Python traceback. 
    2140  
    2141 Traceback (most recent call last): 
    2142 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2144 return self._func(self._name, data) 
    2145 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2146 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2147 _push_coords_to_sim 
    2148 self.thread_handler.coords = self._pending_coords 
    2149 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2150 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2151 f(self._c_pointer, n, pointer(coords)) 
    2152 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2153 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2154 cty = numpy_type_to_ctype[a.dtype.type] 
    2155 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2156  
    2157 Error processing trigger "coord update": 
    2158 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2159  
    2160 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2161 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2162 cty = numpy_type_to_ctype[a.dtype.type] 
    2163  
    2164 See log for complete Python traceback. 
    2165  
    2166 Traceback (most recent call last): 
    2167 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2169 return self._func(self._name, data) 
    2170 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2171 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2172 _push_coords_to_sim 
    2173 self.thread_handler.coords = self._pending_coords 
    2174 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2175 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2176 f(self._c_pointer, n, pointer(coords)) 
    2177 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2178 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2179 cty = numpy_type_to_ctype[a.dtype.type] 
    2180 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2181  
    2182 Error processing trigger "coord update": 
    2183 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2184  
    2185 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2186 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2187 cty = numpy_type_to_ctype[a.dtype.type] 
    2188  
    2189 See log for complete Python traceback. 
    2190  
    2191 Traceback (most recent call last): 
    2192 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2194 return self._func(self._name, data) 
    2195 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2196 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2197 _push_coords_to_sim 
    2198 self.thread_handler.coords = self._pending_coords 
    2199 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2200 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2201 f(self._c_pointer, n, pointer(coords)) 
    2202 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2203 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2204 cty = numpy_type_to_ctype[a.dtype.type] 
    2205 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2206  
    2207 Error processing trigger "coord update": 
    2208 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2209  
    2210 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2211 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2212 cty = numpy_type_to_ctype[a.dtype.type] 
    2213  
    2214 See log for complete Python traceback. 
    2215  
    2216 Traceback (most recent call last): 
    2217 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2219 return self._func(self._name, data) 
    2220 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2221 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2222 _push_coords_to_sim 
    2223 self.thread_handler.coords = self._pending_coords 
    2224 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2225 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2226 f(self._c_pointer, n, pointer(coords)) 
    2227 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2228 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2229 cty = numpy_type_to_ctype[a.dtype.type] 
    2230 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2231  
    2232 Error processing trigger "coord update": 
    2233 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2234  
    2235 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2236 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2237 cty = numpy_type_to_ctype[a.dtype.type] 
    2238  
    2239 See log for complete Python traceback. 
    2240  
    2241 Traceback (most recent call last): 
    2242 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2244 return self._func(self._name, data) 
    2245 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2246 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2247 _push_coords_to_sim 
    2248 self.thread_handler.coords = self._pending_coords 
    2249 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2250 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2251 f(self._c_pointer, n, pointer(coords)) 
    2252 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2253 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2254 cty = numpy_type_to_ctype[a.dtype.type] 
    2255 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2256  
    2257 Error processing trigger "coord update": 
    2258 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2259  
    2260 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2261 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2262 cty = numpy_type_to_ctype[a.dtype.type] 
    2263  
    2264 See log for complete Python traceback. 
    2265  
    2266 Traceback (most recent call last): 
    2267 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2269 return self._func(self._name, data) 
    2270 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2271 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2272 _push_coords_to_sim 
    2273 self.thread_handler.coords = self._pending_coords 
    2274 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2275 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2276 f(self._c_pointer, n, pointer(coords)) 
    2277 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2278 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2279 cty = numpy_type_to_ctype[a.dtype.type] 
    2280 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2281  
    2282 Error processing trigger "coord update": 
    2283 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2284  
    2285 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2286 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2287 cty = numpy_type_to_ctype[a.dtype.type] 
    2288  
    2289 See log for complete Python traceback. 
    2290  
    2291 Traceback (most recent call last): 
    2292 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2294 return self._func(self._name, data) 
    2295 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2296 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2297 _push_coords_to_sim 
    2298 self.thread_handler.coords = self._pending_coords 
    2299 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2300 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2301 f(self._c_pointer, n, pointer(coords)) 
    2302 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2303 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2304 cty = numpy_type_to_ctype[a.dtype.type] 
    2305 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2306  
    2307 Error processing trigger "coord update": 
    2308 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2309  
    2310 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2311 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2312 cty = numpy_type_to_ctype[a.dtype.type] 
    2313  
    2314 See log for complete Python traceback. 
    2315  
    2316 Traceback (most recent call last): 
    2317 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2319 return self._func(self._name, data) 
    2320 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2321 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2322 _push_coords_to_sim 
    2323 self.thread_handler.coords = self._pending_coords 
    2324 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2325 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2326 f(self._c_pointer, n, pointer(coords)) 
    2327 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2328 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2329 cty = numpy_type_to_ctype[a.dtype.type] 
    2330 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2331  
    2332 Error processing trigger "coord update": 
    2333 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2334  
    2335 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2336 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2337 cty = numpy_type_to_ctype[a.dtype.type] 
    2338  
    2339 See log for complete Python traceback. 
    2340  
    2341 Traceback (most recent call last): 
    2342 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2344 return self._func(self._name, data) 
    2345 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2346 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2347 _push_coords_to_sim 
    2348 self.thread_handler.coords = self._pending_coords 
    2349 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2350 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2351 f(self._c_pointer, n, pointer(coords)) 
    2352 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2353 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2354 cty = numpy_type_to_ctype[a.dtype.type] 
    2355 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2356  
    2357 Error processing trigger "coord update": 
    2358 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2359  
    2360 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2361 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2362 cty = numpy_type_to_ctype[a.dtype.type] 
    2363  
    2364 See log for complete Python traceback. 
    2365  
    2366 Traceback (most recent call last): 
    2367 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2369 return self._func(self._name, data) 
    2370 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2371 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2372 _push_coords_to_sim 
    2373 self.thread_handler.coords = self._pending_coords 
    2374 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2375 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2376 f(self._c_pointer, n, pointer(coords)) 
    2377 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2378 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2379 cty = numpy_type_to_ctype[a.dtype.type] 
    2380 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2381  
    2382 Error processing trigger "coord update": 
    2383 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2384  
    2385 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2386 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2387 cty = numpy_type_to_ctype[a.dtype.type] 
    2388  
    2389 See log for complete Python traceback. 
    2390  
    2391 Traceback (most recent call last): 
    2392 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2394 return self._func(self._name, data) 
    2395 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2396 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2397 _push_coords_to_sim 
    2398 self.thread_handler.coords = self._pending_coords 
    2399 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2400 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2401 f(self._c_pointer, n, pointer(coords)) 
    2402 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2403 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2404 cty = numpy_type_to_ctype[a.dtype.type] 
    2405 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2406  
    2407 Error processing trigger "coord update": 
    2408 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2409  
    2410 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2411 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2412 cty = numpy_type_to_ctype[a.dtype.type] 
    2413  
    2414 See log for complete Python traceback. 
    2415  
    2416 Traceback (most recent call last): 
    2417 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2418 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2419 return self._func(self._name, data) 
    2420 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2421 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2422 _push_coords_to_sim 
    2423 self.thread_handler.coords = self._pending_coords 
    2424 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2425 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2426 f(self._c_pointer, n, pointer(coords)) 
    2427 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2428 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2429 cty = numpy_type_to_ctype[a.dtype.type] 
    2430 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2431  
    2432 Error processing trigger "coord update": 
    2433 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2434  
    2435 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2436 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2437 cty = numpy_type_to_ctype[a.dtype.type] 
    2438  
    2439 See log for complete Python traceback. 
    2440  
    2441 Traceback (most recent call last): 
    2442 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2444 return self._func(self._name, data) 
    2445 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2446 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2447 _push_coords_to_sim 
    2448 self.thread_handler.coords = self._pending_coords 
    2449 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2450 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2451 f(self._c_pointer, n, pointer(coords)) 
    2452 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2453 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2454 cty = numpy_type_to_ctype[a.dtype.type] 
    2455 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2456  
    2457 Error processing trigger "coord update": 
    2458 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2459  
    2460 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2461 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2462 cty = numpy_type_to_ctype[a.dtype.type] 
    2463  
    2464 See log for complete Python traceback. 
    2465  
    2466 Traceback (most recent call last): 
    2467 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2469 return self._func(self._name, data) 
    2470 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2471 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2472 _push_coords_to_sim 
    2473 self.thread_handler.coords = self._pending_coords 
    2474 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2475 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2476 f(self._c_pointer, n, pointer(coords)) 
    2477 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2478 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2479 cty = numpy_type_to_ctype[a.dtype.type] 
    2480 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2481  
    2482 Error processing trigger "coord update": 
    2483 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2484  
    2485 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2486 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2487 cty = numpy_type_to_ctype[a.dtype.type] 
    2488  
    2489 See log for complete Python traceback. 
    2490  
    2491 Traceback (most recent call last): 
    2492 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2494 return self._func(self._name, data) 
    2495 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2496 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2497 _push_coords_to_sim 
    2498 self.thread_handler.coords = self._pending_coords 
    2499 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2500 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2501 f(self._c_pointer, n, pointer(coords)) 
    2502 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2503 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2504 cty = numpy_type_to_ctype[a.dtype.type] 
    2505 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2506  
    2507 Error processing trigger "coord update": 
    2508 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2509  
    2510 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2511 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2512 cty = numpy_type_to_ctype[a.dtype.type] 
    2513  
    2514 See log for complete Python traceback. 
    2515  
    2516 Traceback (most recent call last): 
    2517 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2519 return self._func(self._name, data) 
    2520 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2521 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2522 _push_coords_to_sim 
    2523 self.thread_handler.coords = self._pending_coords 
    2524 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2525 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2526 f(self._c_pointer, n, pointer(coords)) 
    2527 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2528 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2529 cty = numpy_type_to_ctype[a.dtype.type] 
    2530 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2531  
    2532 Error processing trigger "coord update": 
    2533 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2534  
    2535 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2536 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2537 cty = numpy_type_to_ctype[a.dtype.type] 
    2538  
    2539 See log for complete Python traceback. 
    2540  
    2541 Traceback (most recent call last): 
    2542 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2544 return self._func(self._name, data) 
    2545 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2546 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2547 _push_coords_to_sim 
    2548 self.thread_handler.coords = self._pending_coords 
    2549 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2550 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2551 f(self._c_pointer, n, pointer(coords)) 
    2552 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2553 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2554 cty = numpy_type_to_ctype[a.dtype.type] 
    2555 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2556  
    2557 Error processing trigger "coord update": 
    2558 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2559  
    2560 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2561 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2562 cty = numpy_type_to_ctype[a.dtype.type] 
    2563  
    2564 See log for complete Python traceback. 
    2565  
    2566 Traceback (most recent call last): 
    2567 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2569 return self._func(self._name, data) 
    2570 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2571 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2572 _push_coords_to_sim 
    2573 self.thread_handler.coords = self._pending_coords 
    2574 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2575 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2576 f(self._c_pointer, n, pointer(coords)) 
    2577 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2578 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2579 cty = numpy_type_to_ctype[a.dtype.type] 
    2580 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2581  
    2582 Error processing trigger "coord update": 
    2583 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2584  
    2585 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2586 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2587 cty = numpy_type_to_ctype[a.dtype.type] 
    2588  
    2589 See log for complete Python traceback. 
    2590  
    2591 Traceback (most recent call last): 
    2592 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2594 return self._func(self._name, data) 
    2595 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2596 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2597 _push_coords_to_sim 
    2598 self.thread_handler.coords = self._pending_coords 
    2599 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2600 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2601 f(self._c_pointer, n, pointer(coords)) 
    2602 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2603 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2604 cty = numpy_type_to_ctype[a.dtype.type] 
    2605 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2606  
    2607 Error processing trigger "coord update": 
    2608 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2609  
    2610 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2611 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2612 cty = numpy_type_to_ctype[a.dtype.type] 
    2613  
    2614 See log for complete Python traceback. 
    2615  
    2616 Traceback (most recent call last): 
    2617 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2619 return self._func(self._name, data) 
    2620 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2621 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2622 _push_coords_to_sim 
    2623 self.thread_handler.coords = self._pending_coords 
    2624 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2625 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2626 f(self._c_pointer, n, pointer(coords)) 
    2627 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2628 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2629 cty = numpy_type_to_ctype[a.dtype.type] 
    2630 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2631  
    2632 Error processing trigger "coord update": 
    2633 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2634  
    2635 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2636 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2637 cty = numpy_type_to_ctype[a.dtype.type] 
    2638  
    2639 See log for complete Python traceback. 
    2640  
    2641 Traceback (most recent call last): 
    2642 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2644 return self._func(self._name, data) 
    2645 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2646 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2647 _push_coords_to_sim 
    2648 self.thread_handler.coords = self._pending_coords 
    2649 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2650 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2651 f(self._c_pointer, n, pointer(coords)) 
    2652 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2653 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2654 cty = numpy_type_to_ctype[a.dtype.type] 
    2655 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2656  
    2657 Error processing trigger "coord update": 
    2658 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2659  
    2660 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2661 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2662 cty = numpy_type_to_ctype[a.dtype.type] 
    2663  
    2664 See log for complete Python traceback. 
    2665  
    2666 Traceback (most recent call last): 
    2667 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2669 return self._func(self._name, data) 
    2670 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2671 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2672 _push_coords_to_sim 
    2673 self.thread_handler.coords = self._pending_coords 
    2674 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2675 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2676 f(self._c_pointer, n, pointer(coords)) 
    2677 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2678 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2679 cty = numpy_type_to_ctype[a.dtype.type] 
    2680 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2681  
    2682 Error processing trigger "coord update": 
    2683 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2684  
    2685 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2686 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2687 cty = numpy_type_to_ctype[a.dtype.type] 
    2688  
    2689 See log for complete Python traceback. 
    2690  
    2691 Traceback (most recent call last): 
    2692 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2694 return self._func(self._name, data) 
    2695 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2696 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2697 _push_coords_to_sim 
    2698 self.thread_handler.coords = self._pending_coords 
    2699 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2700 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2701 f(self._c_pointer, n, pointer(coords)) 
    2702 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2703 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2704 cty = numpy_type_to_ctype[a.dtype.type] 
    2705 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2706  
    2707 Error processing trigger "coord update": 
    2708 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2709  
    2710 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2711 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2712 cty = numpy_type_to_ctype[a.dtype.type] 
    2713  
    2714 See log for complete Python traceback. 
    2715  
    2716 Traceback (most recent call last): 
    2717 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2719 return self._func(self._name, data) 
    2720 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2721 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2722 _push_coords_to_sim 
    2723 self.thread_handler.coords = self._pending_coords 
    2724 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2725 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2726 f(self._c_pointer, n, pointer(coords)) 
    2727 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2728 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2729 cty = numpy_type_to_ctype[a.dtype.type] 
    2730 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2731  
    2732 Error processing trigger "coord update": 
    2733 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2734  
    2735 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2736 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2737 cty = numpy_type_to_ctype[a.dtype.type] 
    2738  
    2739 See log for complete Python traceback. 
    2740  
    2741 Traceback (most recent call last): 
    2742 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2744 return self._func(self._name, data) 
    2745 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2746 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2747 _push_coords_to_sim 
    2748 self.thread_handler.coords = self._pending_coords 
    2749 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2750 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2751 f(self._c_pointer, n, pointer(coords)) 
    2752 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2753 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2754 cty = numpy_type_to_ctype[a.dtype.type] 
    2755 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2756  
    2757 Error processing trigger "coord update": 
    2758 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2759  
    2760 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2761 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2762 cty = numpy_type_to_ctype[a.dtype.type] 
    2763  
    2764 See log for complete Python traceback. 
    2765  
    2766 Traceback (most recent call last): 
    2767 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2769 return self._func(self._name, data) 
    2770 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2771 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2772 _push_coords_to_sim 
    2773 self.thread_handler.coords = self._pending_coords 
    2774 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2775 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2776 f(self._c_pointer, n, pointer(coords)) 
    2777 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2778 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2779 cty = numpy_type_to_ctype[a.dtype.type] 
    2780 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2781  
    2782 Error processing trigger "coord update": 
    2783 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2784  
    2785 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2786 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2787 cty = numpy_type_to_ctype[a.dtype.type] 
    2788  
    2789 See log for complete Python traceback. 
    2790  
    2791 Traceback (most recent call last): 
    2792 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2794 return self._func(self._name, data) 
    2795 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2796 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2797 _push_coords_to_sim 
    2798 self.thread_handler.coords = self._pending_coords 
    2799 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2800 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2801 f(self._c_pointer, n, pointer(coords)) 
    2802 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2803 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2804 cty = numpy_type_to_ctype[a.dtype.type] 
    2805 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2806  
    2807 Error processing trigger "coord update": 
    2808 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2809  
    2810 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2811 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2812 cty = numpy_type_to_ctype[a.dtype.type] 
    2813  
    2814 See log for complete Python traceback. 
    2815  
    2816 Traceback (most recent call last): 
    2817 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2819 return self._func(self._name, data) 
    2820 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2821 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2822 _push_coords_to_sim 
    2823 self.thread_handler.coords = self._pending_coords 
    2824 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2825 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2826 f(self._c_pointer, n, pointer(coords)) 
    2827 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2828 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2829 cty = numpy_type_to_ctype[a.dtype.type] 
    2830 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2831  
    2832 Error processing trigger "coord update": 
    2833 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2834  
    2835 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2836 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2837 cty = numpy_type_to_ctype[a.dtype.type] 
    2838  
    2839 See log for complete Python traceback. 
    2840  
    2841 Traceback (most recent call last): 
    2842 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2844 return self._func(self._name, data) 
    2845 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2846 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2847 _push_coords_to_sim 
    2848 self.thread_handler.coords = self._pending_coords 
    2849 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2850 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2851 f(self._c_pointer, n, pointer(coords)) 
    2852 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2853 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2854 cty = numpy_type_to_ctype[a.dtype.type] 
    2855 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2856  
    2857 Error processing trigger "coord update": 
    2858 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2859  
    2860 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2861 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2862 cty = numpy_type_to_ctype[a.dtype.type] 
    2863  
    2864 See log for complete Python traceback. 
    2865  
    2866 Traceback (most recent call last): 
    2867 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2869 return self._func(self._name, data) 
    2870 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2871 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2872 _push_coords_to_sim 
    2873 self.thread_handler.coords = self._pending_coords 
    2874 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2875 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2876 f(self._c_pointer, n, pointer(coords)) 
    2877 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2878 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2879 cty = numpy_type_to_ctype[a.dtype.type] 
    2880 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2881  
    2882 Error processing trigger "coord update": 
    2883 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2884  
    2885 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2886 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2887 cty = numpy_type_to_ctype[a.dtype.type] 
    2888  
    2889 See log for complete Python traceback. 
    2890  
    2891 Traceback (most recent call last): 
    2892 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2894 return self._func(self._name, data) 
    2895 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2896 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2897 _push_coords_to_sim 
    2898 self.thread_handler.coords = self._pending_coords 
    2899 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2900 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2901 f(self._c_pointer, n, pointer(coords)) 
    2902 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2903 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2904 cty = numpy_type_to_ctype[a.dtype.type] 
    2905 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2906  
    2907 Error processing trigger "coord update": 
    2908 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2909  
    2910 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2911 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2912 cty = numpy_type_to_ctype[a.dtype.type] 
    2913  
    2914 See log for complete Python traceback. 
    2915  
    2916 Traceback (most recent call last): 
    2917 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2919 return self._func(self._name, data) 
    2920 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2921 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2922 _push_coords_to_sim 
    2923 self.thread_handler.coords = self._pending_coords 
    2924 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2925 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2926 f(self._c_pointer, n, pointer(coords)) 
    2927 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2928 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2929 cty = numpy_type_to_ctype[a.dtype.type] 
    2930 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2931  
    2932 Error processing trigger "coord update": 
    2933 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2934  
    2935 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2936 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2937 cty = numpy_type_to_ctype[a.dtype.type] 
    2938  
    2939 See log for complete Python traceback. 
    2940  
    2941 Traceback (most recent call last): 
    2942 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2944 return self._func(self._name, data) 
    2945 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2946 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2947 _push_coords_to_sim 
    2948 self.thread_handler.coords = self._pending_coords 
    2949 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2950 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2951 f(self._c_pointer, n, pointer(coords)) 
    2952 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2953 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2954 cty = numpy_type_to_ctype[a.dtype.type] 
    2955 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2956  
    2957 Error processing trigger "coord update": 
    2958 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2959  
    2960 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2961 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2962 cty = numpy_type_to_ctype[a.dtype.type] 
    2963  
    2964 See log for complete Python traceback. 
    2965  
    2966 Traceback (most recent call last): 
    2967 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2969 return self._func(self._name, data) 
    2970 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2971 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2972 _push_coords_to_sim 
    2973 self.thread_handler.coords = self._pending_coords 
    2974 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2975 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    2976 f(self._c_pointer, n, pointer(coords)) 
    2977 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2978 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2979 cty = numpy_type_to_ctype[a.dtype.type] 
    2980 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2981  
    2982 Error processing trigger "coord update": 
    2983 AttributeError: 'NoneType' object has no attribute 'dtype' 
    2984  
    2985 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2986 packages/chimerax/atomic/molc.py", line 320, in pointer 
    2987 cty = numpy_type_to_ctype[a.dtype.type] 
    2988  
    2989 See log for complete Python traceback. 
    2990  
    2991 Traceback (most recent call last): 
    2992 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    2993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    2994 return self._func(self._name, data) 
    2995 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    2996 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    2997 _push_coords_to_sim 
    2998 self.thread_handler.coords = self._pending_coords 
    2999 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3000 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3001 f(self._c_pointer, n, pointer(coords)) 
    3002 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3003 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3004 cty = numpy_type_to_ctype[a.dtype.type] 
    3005 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3006  
    3007 Error processing trigger "coord update": 
    3008 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3009  
    3010 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3011 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3012 cty = numpy_type_to_ctype[a.dtype.type] 
    3013  
    3014 See log for complete Python traceback. 
    3015  
    3016 Traceback (most recent call last): 
    3017 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3019 return self._func(self._name, data) 
    3020 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3021 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3022 _push_coords_to_sim 
    3023 self.thread_handler.coords = self._pending_coords 
    3024 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3025 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3026 f(self._c_pointer, n, pointer(coords)) 
    3027 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3028 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3029 cty = numpy_type_to_ctype[a.dtype.type] 
    3030 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3031  
    3032 Error processing trigger "coord update": 
    3033 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3034  
    3035 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3036 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3037 cty = numpy_type_to_ctype[a.dtype.type] 
    3038  
    3039 See log for complete Python traceback. 
    3040  
    3041 Traceback (most recent call last): 
    3042 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3044 return self._func(self._name, data) 
    3045 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3046 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3047 _push_coords_to_sim 
    3048 self.thread_handler.coords = self._pending_coords 
    3049 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3050 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3051 f(self._c_pointer, n, pointer(coords)) 
    3052 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3053 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3054 cty = numpy_type_to_ctype[a.dtype.type] 
    3055 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3056  
    3057 Error processing trigger "coord update": 
    3058 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3059  
    3060 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3061 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3062 cty = numpy_type_to_ctype[a.dtype.type] 
    3063  
    3064 See log for complete Python traceback. 
    3065  
    3066 Traceback (most recent call last): 
    3067 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3069 return self._func(self._name, data) 
    3070 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3071 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3072 _push_coords_to_sim 
    3073 self.thread_handler.coords = self._pending_coords 
    3074 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3075 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3076 f(self._c_pointer, n, pointer(coords)) 
    3077 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3078 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3079 cty = numpy_type_to_ctype[a.dtype.type] 
    3080 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3081  
    3082 Error processing trigger "coord update": 
    3083 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3084  
    3085 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3086 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3087 cty = numpy_type_to_ctype[a.dtype.type] 
    3088  
    3089 See log for complete Python traceback. 
    3090  
    3091 Traceback (most recent call last): 
    3092 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3094 return self._func(self._name, data) 
    3095 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3096 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3097 _push_coords_to_sim 
    3098 self.thread_handler.coords = self._pending_coords 
    3099 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3100 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3101 f(self._c_pointer, n, pointer(coords)) 
    3102 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3103 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3104 cty = numpy_type_to_ctype[a.dtype.type] 
    3105 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3106  
    3107 Error processing trigger "coord update": 
    3108 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3109  
    3110 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3111 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3112 cty = numpy_type_to_ctype[a.dtype.type] 
    3113  
    3114 See log for complete Python traceback. 
    3115  
    3116 Traceback (most recent call last): 
    3117 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3119 return self._func(self._name, data) 
    3120 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3121 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3122 _push_coords_to_sim 
    3123 self.thread_handler.coords = self._pending_coords 
    3124 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3125 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3126 f(self._c_pointer, n, pointer(coords)) 
    3127 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3128 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3129 cty = numpy_type_to_ctype[a.dtype.type] 
    3130 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3131  
    3132 Error processing trigger "coord update": 
    3133 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3134  
    3135 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3136 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3137 cty = numpy_type_to_ctype[a.dtype.type] 
    3138  
    3139 See log for complete Python traceback. 
    3140  
    3141 Traceback (most recent call last): 
    3142 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3144 return self._func(self._name, data) 
    3145 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3146 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3147 _push_coords_to_sim 
    3148 self.thread_handler.coords = self._pending_coords 
    3149 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3150 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3151 f(self._c_pointer, n, pointer(coords)) 
    3152 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3153 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3154 cty = numpy_type_to_ctype[a.dtype.type] 
    3155 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3156  
    3157 Error processing trigger "coord update": 
    3158 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3159  
    3160 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3161 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3162 cty = numpy_type_to_ctype[a.dtype.type] 
    3163  
    3164 See log for complete Python traceback. 
    3165  
    3166 Traceback (most recent call last): 
    3167 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3169 return self._func(self._name, data) 
    3170 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3171 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3172 _push_coords_to_sim 
    3173 self.thread_handler.coords = self._pending_coords 
    3174 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3175 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3176 f(self._c_pointer, n, pointer(coords)) 
    3177 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3178 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3179 cty = numpy_type_to_ctype[a.dtype.type] 
    3180 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3181  
    3182 Error processing trigger "coord update": 
    3183 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3184  
    3185 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3186 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3187 cty = numpy_type_to_ctype[a.dtype.type] 
    3188  
    3189 See log for complete Python traceback. 
    3190  
    3191 Traceback (most recent call last): 
    3192 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3194 return self._func(self._name, data) 
    3195 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3196 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3197 _push_coords_to_sim 
    3198 self.thread_handler.coords = self._pending_coords 
    3199 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3200 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3201 f(self._c_pointer, n, pointer(coords)) 
    3202 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3203 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3204 cty = numpy_type_to_ctype[a.dtype.type] 
    3205 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3206  
    3207 Error processing trigger "coord update": 
    3208 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3209  
    3210 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3211 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3212 cty = numpy_type_to_ctype[a.dtype.type] 
    3213  
    3214 See log for complete Python traceback. 
    3215  
    3216 Traceback (most recent call last): 
    3217 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3219 return self._func(self._name, data) 
    3220 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3221 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3222 _push_coords_to_sim 
    3223 self.thread_handler.coords = self._pending_coords 
    3224 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3225 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3226 f(self._c_pointer, n, pointer(coords)) 
    3227 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3228 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3229 cty = numpy_type_to_ctype[a.dtype.type] 
    3230 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3231  
    3232 Error processing trigger "coord update": 
    3233 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3234  
    3235 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3236 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3237 cty = numpy_type_to_ctype[a.dtype.type] 
    3238  
    3239 See log for complete Python traceback. 
    3240  
    3241 Traceback (most recent call last): 
    3242 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3244 return self._func(self._name, data) 
    3245 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3246 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3247 _push_coords_to_sim 
    3248 self.thread_handler.coords = self._pending_coords 
    3249 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3250 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3251 f(self._c_pointer, n, pointer(coords)) 
    3252 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3253 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3254 cty = numpy_type_to_ctype[a.dtype.type] 
    3255 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3256  
    3257 Error processing trigger "coord update": 
    3258 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3259  
    3260 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3261 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3262 cty = numpy_type_to_ctype[a.dtype.type] 
    3263  
    3264 See log for complete Python traceback. 
    3265  
    3266 Traceback (most recent call last): 
    3267 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3269 return self._func(self._name, data) 
    3270 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3271 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3272 _push_coords_to_sim 
    3273 self.thread_handler.coords = self._pending_coords 
    3274 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3275 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3276 f(self._c_pointer, n, pointer(coords)) 
    3277 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3278 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3279 cty = numpy_type_to_ctype[a.dtype.type] 
    3280 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3281  
    3282 Error processing trigger "coord update": 
    3283 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3284  
    3285 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3286 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3287 cty = numpy_type_to_ctype[a.dtype.type] 
    3288  
    3289 See log for complete Python traceback. 
    3290  
    3291 Traceback (most recent call last): 
    3292 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3294 return self._func(self._name, data) 
    3295 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3296 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3297 _push_coords_to_sim 
    3298 self.thread_handler.coords = self._pending_coords 
    3299 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3300 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3301 f(self._c_pointer, n, pointer(coords)) 
    3302 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3303 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3304 cty = numpy_type_to_ctype[a.dtype.type] 
    3305 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3306  
    3307 Error processing trigger "coord update": 
    3308 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3309  
    3310 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3311 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3312 cty = numpy_type_to_ctype[a.dtype.type] 
    3313  
    3314 See log for complete Python traceback. 
    3315  
    3316 Traceback (most recent call last): 
    3317 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3319 return self._func(self._name, data) 
    3320 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3321 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3322 _push_coords_to_sim 
    3323 self.thread_handler.coords = self._pending_coords 
    3324 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3325 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3326 f(self._c_pointer, n, pointer(coords)) 
    3327 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3328 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3329 cty = numpy_type_to_ctype[a.dtype.type] 
    3330 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3331  
    3332 Error processing trigger "coord update": 
    3333 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3334  
    3335 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3336 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3337 cty = numpy_type_to_ctype[a.dtype.type] 
    3338  
    3339 See log for complete Python traceback. 
    3340  
    3341 Traceback (most recent call last): 
    3342 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3344 return self._func(self._name, data) 
    3345 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3346 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3347 _push_coords_to_sim 
    3348 self.thread_handler.coords = self._pending_coords 
    3349 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3350 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3351 f(self._c_pointer, n, pointer(coords)) 
    3352 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3353 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3354 cty = numpy_type_to_ctype[a.dtype.type] 
    3355 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3356  
    3357 Error processing trigger "coord update": 
    3358 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3359  
    3360 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3361 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3362 cty = numpy_type_to_ctype[a.dtype.type] 
    3363  
    3364 See log for complete Python traceback. 
    3365  
    3366 Traceback (most recent call last): 
    3367 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3369 return self._func(self._name, data) 
    3370 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3371 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3372 _push_coords_to_sim 
    3373 self.thread_handler.coords = self._pending_coords 
    3374 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3375 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3376 f(self._c_pointer, n, pointer(coords)) 
    3377 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3378 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3379 cty = numpy_type_to_ctype[a.dtype.type] 
    3380 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3381  
    3382 Error processing trigger "coord update": 
    3383 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3384  
    3385 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3386 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3387 cty = numpy_type_to_ctype[a.dtype.type] 
    3388  
    3389 See log for complete Python traceback. 
    3390  
    3391 Traceback (most recent call last): 
    3392 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3394 return self._func(self._name, data) 
    3395 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3396 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3397 _push_coords_to_sim 
    3398 self.thread_handler.coords = self._pending_coords 
    3399 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3400 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3401 f(self._c_pointer, n, pointer(coords)) 
    3402 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3403 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3404 cty = numpy_type_to_ctype[a.dtype.type] 
    3405 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3406  
    3407 Error processing trigger "coord update": 
    3408 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3409  
    3410 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3411 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3412 cty = numpy_type_to_ctype[a.dtype.type] 
    3413  
    3414 See log for complete Python traceback. 
    3415  
    3416 Traceback (most recent call last): 
    3417 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3418 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3419 return self._func(self._name, data) 
    3420 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3421 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3422 _push_coords_to_sim 
    3423 self.thread_handler.coords = self._pending_coords 
    3424 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3425 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3426 f(self._c_pointer, n, pointer(coords)) 
    3427 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3428 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3429 cty = numpy_type_to_ctype[a.dtype.type] 
    3430 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3431  
    3432 Error processing trigger "coord update": 
    3433 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3434  
    3435 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3436 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3437 cty = numpy_type_to_ctype[a.dtype.type] 
    3438  
    3439 See log for complete Python traceback. 
    3440  
    3441 Traceback (most recent call last): 
    3442 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3444 return self._func(self._name, data) 
    3445 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3446 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3447 _push_coords_to_sim 
    3448 self.thread_handler.coords = self._pending_coords 
    3449 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3450 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3451 f(self._c_pointer, n, pointer(coords)) 
    3452 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3453 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3454 cty = numpy_type_to_ctype[a.dtype.type] 
    3455 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3456  
    3457 Error processing trigger "coord update": 
    3458 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3459  
    3460 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3461 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3462 cty = numpy_type_to_ctype[a.dtype.type] 
    3463  
    3464 See log for complete Python traceback. 
    3465  
    3466 Traceback (most recent call last): 
    3467 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3469 return self._func(self._name, data) 
    3470 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3471 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3472 _push_coords_to_sim 
    3473 self.thread_handler.coords = self._pending_coords 
    3474 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3475 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3476 f(self._c_pointer, n, pointer(coords)) 
    3477 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3478 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3479 cty = numpy_type_to_ctype[a.dtype.type] 
    3480 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3481  
    3482 Error processing trigger "coord update": 
    3483 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3484  
    3485 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3486 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3487 cty = numpy_type_to_ctype[a.dtype.type] 
    3488  
    3489 See log for complete Python traceback. 
    3490  
    3491 Traceback (most recent call last): 
    3492 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3494 return self._func(self._name, data) 
    3495 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3496 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3497 _push_coords_to_sim 
    3498 self.thread_handler.coords = self._pending_coords 
    3499 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3500 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3501 f(self._c_pointer, n, pointer(coords)) 
    3502 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3503 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3504 cty = numpy_type_to_ctype[a.dtype.type] 
    3505 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3506  
    3507 Error processing trigger "coord update": 
    3508 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3509  
    3510 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3511 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3512 cty = numpy_type_to_ctype[a.dtype.type] 
    3513  
    3514 See log for complete Python traceback. 
    3515  
    3516 Traceback (most recent call last): 
    3517 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3519 return self._func(self._name, data) 
    3520 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3521 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3522 _push_coords_to_sim 
    3523 self.thread_handler.coords = self._pending_coords 
    3524 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3525 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3526 f(self._c_pointer, n, pointer(coords)) 
    3527 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3528 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3529 cty = numpy_type_to_ctype[a.dtype.type] 
    3530 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3531  
    3532 Error processing trigger "coord update": 
    3533 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3534  
    3535 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3536 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3537 cty = numpy_type_to_ctype[a.dtype.type] 
    3538  
    3539 See log for complete Python traceback. 
    3540  
    3541 Traceback (most recent call last): 
    3542 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3544 return self._func(self._name, data) 
    3545 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3546 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3547 _push_coords_to_sim 
    3548 self.thread_handler.coords = self._pending_coords 
    3549 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3550 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3551 f(self._c_pointer, n, pointer(coords)) 
    3552 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3553 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3554 cty = numpy_type_to_ctype[a.dtype.type] 
    3555 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3556  
    3557 Error processing trigger "coord update": 
    3558 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3559  
    3560 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3561 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3562 cty = numpy_type_to_ctype[a.dtype.type] 
    3563  
    3564 See log for complete Python traceback. 
    3565  
    3566 Traceback (most recent call last): 
    3567 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3569 return self._func(self._name, data) 
    3570 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3571 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3572 _push_coords_to_sim 
    3573 self.thread_handler.coords = self._pending_coords 
    3574 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3575 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3576 f(self._c_pointer, n, pointer(coords)) 
    3577 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3578 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3579 cty = numpy_type_to_ctype[a.dtype.type] 
    3580 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3581  
    3582 Error processing trigger "coord update": 
    3583 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3584  
    3585 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3586 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3587 cty = numpy_type_to_ctype[a.dtype.type] 
    3588  
    3589 See log for complete Python traceback. 
    3590  
    3591 Traceback (most recent call last): 
    3592 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3594 return self._func(self._name, data) 
    3595 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3596 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3597 _push_coords_to_sim 
    3598 self.thread_handler.coords = self._pending_coords 
    3599 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3600 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3601 f(self._c_pointer, n, pointer(coords)) 
    3602 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3603 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3604 cty = numpy_type_to_ctype[a.dtype.type] 
    3605 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3606  
    3607 Error processing trigger "coord update": 
    3608 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3609  
    3610 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3611 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3612 cty = numpy_type_to_ctype[a.dtype.type] 
    3613  
    3614 See log for complete Python traceback. 
    3615  
    3616 Traceback (most recent call last): 
    3617 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3619 return self._func(self._name, data) 
    3620 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3621 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3622 _push_coords_to_sim 
    3623 self.thread_handler.coords = self._pending_coords 
    3624 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3625 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3626 f(self._c_pointer, n, pointer(coords)) 
    3627 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3628 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3629 cty = numpy_type_to_ctype[a.dtype.type] 
    3630 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3631  
    3632 Error processing trigger "coord update": 
    3633 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3634  
    3635 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3636 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3637 cty = numpy_type_to_ctype[a.dtype.type] 
    3638  
    3639 See log for complete Python traceback. 
    3640  
    3641 Traceback (most recent call last): 
    3642 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3644 return self._func(self._name, data) 
    3645 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3646 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3647 _push_coords_to_sim 
    3648 self.thread_handler.coords = self._pending_coords 
    3649 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3650 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3651 f(self._c_pointer, n, pointer(coords)) 
    3652 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3653 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3654 cty = numpy_type_to_ctype[a.dtype.type] 
    3655 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3656  
    3657 Error processing trigger "coord update": 
    3658 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3659  
    3660 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3661 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3662 cty = numpy_type_to_ctype[a.dtype.type] 
    3663  
    3664 See log for complete Python traceback. 
    3665  
    3666 Traceback (most recent call last): 
    3667 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3669 return self._func(self._name, data) 
    3670 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3671 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3672 _push_coords_to_sim 
    3673 self.thread_handler.coords = self._pending_coords 
    3674 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3675 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3676 f(self._c_pointer, n, pointer(coords)) 
    3677 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3678 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3679 cty = numpy_type_to_ctype[a.dtype.type] 
    3680 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3681  
    3682 Error processing trigger "coord update": 
    3683 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3684  
    3685 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3686 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3687 cty = numpy_type_to_ctype[a.dtype.type] 
    3688  
    3689 See log for complete Python traceback. 
    3690  
    3691 Traceback (most recent call last): 
    3692 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3694 return self._func(self._name, data) 
    3695 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3696 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3697 _push_coords_to_sim 
    3698 self.thread_handler.coords = self._pending_coords 
    3699 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3700 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3701 f(self._c_pointer, n, pointer(coords)) 
    3702 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3703 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3704 cty = numpy_type_to_ctype[a.dtype.type] 
    3705 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3706  
    3707 Error processing trigger "coord update": 
    3708 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3709  
    3710 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3711 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3712 cty = numpy_type_to_ctype[a.dtype.type] 
    3713  
    3714 See log for complete Python traceback. 
    3715  
    3716 Traceback (most recent call last): 
    3717 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3719 return self._func(self._name, data) 
    3720 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3721 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3722 _push_coords_to_sim 
    3723 self.thread_handler.coords = self._pending_coords 
    3724 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3725 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3726 f(self._c_pointer, n, pointer(coords)) 
    3727 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3728 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3729 cty = numpy_type_to_ctype[a.dtype.type] 
    3730 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3731  
    3732 Error processing trigger "coord update": 
    3733 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3734  
    3735 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3736 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3737 cty = numpy_type_to_ctype[a.dtype.type] 
    3738  
    3739 See log for complete Python traceback. 
    3740  
    3741 Traceback (most recent call last): 
    3742 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3744 return self._func(self._name, data) 
    3745 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3746 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3747 _push_coords_to_sim 
    3748 self.thread_handler.coords = self._pending_coords 
    3749 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3750 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3751 f(self._c_pointer, n, pointer(coords)) 
    3752 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3753 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3754 cty = numpy_type_to_ctype[a.dtype.type] 
    3755 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3756  
    3757 Error processing trigger "coord update": 
    3758 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3759  
    3760 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3761 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3762 cty = numpy_type_to_ctype[a.dtype.type] 
    3763  
    3764 See log for complete Python traceback. 
    3765  
    3766 Traceback (most recent call last): 
    3767 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3769 return self._func(self._name, data) 
    3770 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3771 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3772 _push_coords_to_sim 
    3773 self.thread_handler.coords = self._pending_coords 
    3774 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3775 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3776 f(self._c_pointer, n, pointer(coords)) 
    3777 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3778 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3779 cty = numpy_type_to_ctype[a.dtype.type] 
    3780 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3781  
    3782 Error processing trigger "coord update": 
    3783 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3784  
    3785 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3786 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3787 cty = numpy_type_to_ctype[a.dtype.type] 
    3788  
    3789 See log for complete Python traceback. 
    3790  
    3791 Traceback (most recent call last): 
    3792 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3794 return self._func(self._name, data) 
    3795 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3796 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3797 _push_coords_to_sim 
    3798 self.thread_handler.coords = self._pending_coords 
    3799 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3800 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3801 f(self._c_pointer, n, pointer(coords)) 
    3802 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3803 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3804 cty = numpy_type_to_ctype[a.dtype.type] 
    3805 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3806  
    3807 Error processing trigger "coord update": 
    3808 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3809  
    3810 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3811 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3812 cty = numpy_type_to_ctype[a.dtype.type] 
    3813  
    3814 See log for complete Python traceback. 
    3815  
    3816 Traceback (most recent call last): 
    3817 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3819 return self._func(self._name, data) 
    3820 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3821 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3822 _push_coords_to_sim 
    3823 self.thread_handler.coords = self._pending_coords 
    3824 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3825 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3826 f(self._c_pointer, n, pointer(coords)) 
    3827 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3828 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3829 cty = numpy_type_to_ctype[a.dtype.type] 
    3830 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3831  
    3832 Error processing trigger "coord update": 
    3833 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3834  
    3835 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3836 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3837 cty = numpy_type_to_ctype[a.dtype.type] 
    3838  
    3839 See log for complete Python traceback. 
    3840  
    3841 Traceback (most recent call last): 
    3842 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3844 return self._func(self._name, data) 
    3845 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3846 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3847 _push_coords_to_sim 
    3848 self.thread_handler.coords = self._pending_coords 
    3849 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3850 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3851 f(self._c_pointer, n, pointer(coords)) 
    3852 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3853 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3854 cty = numpy_type_to_ctype[a.dtype.type] 
    3855 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3856  
    3857 Error processing trigger "coord update": 
    3858 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3859  
    3860 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3861 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3862 cty = numpy_type_to_ctype[a.dtype.type] 
    3863  
    3864 See log for complete Python traceback. 
    3865  
    3866 Traceback (most recent call last): 
    3867 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3869 return self._func(self._name, data) 
    3870 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3871 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3872 _push_coords_to_sim 
    3873 self.thread_handler.coords = self._pending_coords 
    3874 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3875 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3876 f(self._c_pointer, n, pointer(coords)) 
    3877 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3878 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3879 cty = numpy_type_to_ctype[a.dtype.type] 
    3880 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3881  
    3882 Error processing trigger "coord update": 
    3883 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3884  
    3885 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3886 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3887 cty = numpy_type_to_ctype[a.dtype.type] 
    3888  
    3889 See log for complete Python traceback. 
    3890  
    3891 Traceback (most recent call last): 
    3892 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3894 return self._func(self._name, data) 
    3895 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3896 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3897 _push_coords_to_sim 
    3898 self.thread_handler.coords = self._pending_coords 
    3899 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3900 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3901 f(self._c_pointer, n, pointer(coords)) 
    3902 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3903 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3904 cty = numpy_type_to_ctype[a.dtype.type] 
    3905 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3906  
    3907 Error processing trigger "coord update": 
    3908 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3909  
    3910 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3911 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3912 cty = numpy_type_to_ctype[a.dtype.type] 
    3913  
    3914 See log for complete Python traceback. 
    3915  
    3916 Traceback (most recent call last): 
    3917 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3919 return self._func(self._name, data) 
    3920 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3921 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3922 _push_coords_to_sim 
    3923 self.thread_handler.coords = self._pending_coords 
    3924 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3925 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3926 f(self._c_pointer, n, pointer(coords)) 
    3927 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3928 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3929 cty = numpy_type_to_ctype[a.dtype.type] 
    3930 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3931  
    3932 Error processing trigger "coord update": 
    3933 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3934  
    3935 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3936 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3937 cty = numpy_type_to_ctype[a.dtype.type] 
    3938  
    3939 See log for complete Python traceback. 
    3940  
    3941 Traceback (most recent call last): 
    3942 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3944 return self._func(self._name, data) 
    3945 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3946 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3947 _push_coords_to_sim 
    3948 self.thread_handler.coords = self._pending_coords 
    3949 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3950 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3951 f(self._c_pointer, n, pointer(coords)) 
    3952 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3953 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3954 cty = numpy_type_to_ctype[a.dtype.type] 
    3955 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3956  
    3957 Error processing trigger "coord update": 
    3958 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3959  
    3960 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3961 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3962 cty = numpy_type_to_ctype[a.dtype.type] 
    3963  
    3964 See log for complete Python traceback. 
    3965  
    3966 Traceback (most recent call last): 
    3967 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3969 return self._func(self._name, data) 
    3970 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3971 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3972 _push_coords_to_sim 
    3973 self.thread_handler.coords = self._pending_coords 
    3974 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3975 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    3976 f(self._c_pointer, n, pointer(coords)) 
    3977 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3978 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3979 cty = numpy_type_to_ctype[a.dtype.type] 
    3980 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3981  
    3982 Error processing trigger "coord update": 
    3983 AttributeError: 'NoneType' object has no attribute 'dtype' 
    3984  
    3985 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3986 packages/chimerax/atomic/molc.py", line 320, in pointer 
    3987 cty = numpy_type_to_ctype[a.dtype.type] 
    3988  
    3989 See log for complete Python traceback. 
    3990  
    3991 Traceback (most recent call last): 
    3992 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    3993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    3994 return self._func(self._name, data) 
    3995 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    3996 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    3997 _push_coords_to_sim 
    3998 self.thread_handler.coords = self._pending_coords 
    3999 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4000 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4001 f(self._c_pointer, n, pointer(coords)) 
    4002 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4003 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4004 cty = numpy_type_to_ctype[a.dtype.type] 
    4005 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4006  
    4007 Error processing trigger "coord update": 
    4008 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4009  
    4010 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4011 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4012 cty = numpy_type_to_ctype[a.dtype.type] 
    4013  
    4014 See log for complete Python traceback. 
    4015  
    4016 Traceback (most recent call last): 
    4017 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4019 return self._func(self._name, data) 
    4020 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4021 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4022 _push_coords_to_sim 
    4023 self.thread_handler.coords = self._pending_coords 
    4024 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4025 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4026 f(self._c_pointer, n, pointer(coords)) 
    4027 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4028 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4029 cty = numpy_type_to_ctype[a.dtype.type] 
    4030 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4031  
    4032 Error processing trigger "coord update": 
    4033 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4034  
    4035 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4036 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4037 cty = numpy_type_to_ctype[a.dtype.type] 
    4038  
    4039 See log for complete Python traceback. 
    4040  
    4041 Traceback (most recent call last): 
    4042 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4044 return self._func(self._name, data) 
    4045 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4046 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4047 _push_coords_to_sim 
    4048 self.thread_handler.coords = self._pending_coords 
    4049 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4050 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4051 f(self._c_pointer, n, pointer(coords)) 
    4052 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4053 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4054 cty = numpy_type_to_ctype[a.dtype.type] 
    4055 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4056  
    4057 Error processing trigger "coord update": 
    4058 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4059  
    4060 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4061 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4062 cty = numpy_type_to_ctype[a.dtype.type] 
    4063  
    4064 See log for complete Python traceback. 
    4065  
    4066 Traceback (most recent call last): 
    4067 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4069 return self._func(self._name, data) 
    4070 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4071 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4072 _push_coords_to_sim 
    4073 self.thread_handler.coords = self._pending_coords 
    4074 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4075 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4076 f(self._c_pointer, n, pointer(coords)) 
    4077 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4078 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4079 cty = numpy_type_to_ctype[a.dtype.type] 
    4080 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4081  
    4082 Error processing trigger "coord update": 
    4083 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4084  
    4085 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4086 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4087 cty = numpy_type_to_ctype[a.dtype.type] 
    4088  
    4089 See log for complete Python traceback. 
    4090  
    4091 Traceback (most recent call last): 
    4092 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4094 return self._func(self._name, data) 
    4095 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4096 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4097 _push_coords_to_sim 
    4098 self.thread_handler.coords = self._pending_coords 
    4099 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4100 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4101 f(self._c_pointer, n, pointer(coords)) 
    4102 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4103 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4104 cty = numpy_type_to_ctype[a.dtype.type] 
    4105 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4106  
    4107 Error processing trigger "coord update": 
    4108 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4109  
    4110 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4111 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4112 cty = numpy_type_to_ctype[a.dtype.type] 
    4113  
    4114 See log for complete Python traceback. 
    4115  
    4116 Traceback (most recent call last): 
    4117 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4119 return self._func(self._name, data) 
    4120 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4121 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4122 _push_coords_to_sim 
    4123 self.thread_handler.coords = self._pending_coords 
    4124 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4125 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4126 f(self._c_pointer, n, pointer(coords)) 
    4127 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4128 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4129 cty = numpy_type_to_ctype[a.dtype.type] 
    4130 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4131  
    4132 Error processing trigger "coord update": 
    4133 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4134  
    4135 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4136 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4137 cty = numpy_type_to_ctype[a.dtype.type] 
    4138  
    4139 See log for complete Python traceback. 
    4140  
    4141 Traceback (most recent call last): 
    4142 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4144 return self._func(self._name, data) 
    4145 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4146 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4147 _push_coords_to_sim 
    4148 self.thread_handler.coords = self._pending_coords 
    4149 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4150 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4151 f(self._c_pointer, n, pointer(coords)) 
    4152 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4153 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4154 cty = numpy_type_to_ctype[a.dtype.type] 
    4155 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4156  
    4157 Error processing trigger "coord update": 
    4158 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4159  
    4160 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4161 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4162 cty = numpy_type_to_ctype[a.dtype.type] 
    4163  
    4164 See log for complete Python traceback. 
    4165  
    4166 Traceback (most recent call last): 
    4167 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4169 return self._func(self._name, data) 
    4170 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4171 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4172 _push_coords_to_sim 
    4173 self.thread_handler.coords = self._pending_coords 
    4174 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4175 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4176 f(self._c_pointer, n, pointer(coords)) 
    4177 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4178 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4179 cty = numpy_type_to_ctype[a.dtype.type] 
    4180 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4181  
    4182 Error processing trigger "coord update": 
    4183 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4184  
    4185 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4186 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4187 cty = numpy_type_to_ctype[a.dtype.type] 
    4188  
    4189 See log for complete Python traceback. 
    4190  
    4191 Traceback (most recent call last): 
    4192 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4194 return self._func(self._name, data) 
    4195 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4196 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4197 _push_coords_to_sim 
    4198 self.thread_handler.coords = self._pending_coords 
    4199 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4200 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4201 f(self._c_pointer, n, pointer(coords)) 
    4202 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4203 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4204 cty = numpy_type_to_ctype[a.dtype.type] 
    4205 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4206  
    4207 Error processing trigger "coord update": 
    4208 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4209  
    4210 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4211 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4212 cty = numpy_type_to_ctype[a.dtype.type] 
    4213  
    4214 See log for complete Python traceback. 
    4215  
    4216 Traceback (most recent call last): 
    4217 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4219 return self._func(self._name, data) 
    4220 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4221 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4222 _push_coords_to_sim 
    4223 self.thread_handler.coords = self._pending_coords 
    4224 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4225 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4226 f(self._c_pointer, n, pointer(coords)) 
    4227 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4228 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4229 cty = numpy_type_to_ctype[a.dtype.type] 
    4230 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4231  
    4232 Error processing trigger "coord update": 
    4233 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4234  
    4235 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4236 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4237 cty = numpy_type_to_ctype[a.dtype.type] 
    4238  
    4239 See log for complete Python traceback. 
    4240  
    4241 Traceback (most recent call last): 
    4242 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4244 return self._func(self._name, data) 
    4245 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4246 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4247 _push_coords_to_sim 
    4248 self.thread_handler.coords = self._pending_coords 
    4249 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4250 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4251 f(self._c_pointer, n, pointer(coords)) 
    4252 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4253 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4254 cty = numpy_type_to_ctype[a.dtype.type] 
    4255 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4256  
    4257 Error processing trigger "coord update": 
    4258 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4259  
    4260 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4261 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4262 cty = numpy_type_to_ctype[a.dtype.type] 
    4263  
    4264 See log for complete Python traceback. 
    4265  
    4266 Traceback (most recent call last): 
    4267 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4269 return self._func(self._name, data) 
    4270 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4271 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4272 _push_coords_to_sim 
    4273 self.thread_handler.coords = self._pending_coords 
    4274 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4275 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4276 f(self._c_pointer, n, pointer(coords)) 
    4277 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4278 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4279 cty = numpy_type_to_ctype[a.dtype.type] 
    4280 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4281  
    4282 Error processing trigger "coord update": 
    4283 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4284  
    4285 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4286 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4287 cty = numpy_type_to_ctype[a.dtype.type] 
    4288  
    4289 See log for complete Python traceback. 
    4290  
    4291 Traceback (most recent call last): 
    4292 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4294 return self._func(self._name, data) 
    4295 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4296 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4297 _push_coords_to_sim 
    4298 self.thread_handler.coords = self._pending_coords 
    4299 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4300 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4301 f(self._c_pointer, n, pointer(coords)) 
    4302 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4303 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4304 cty = numpy_type_to_ctype[a.dtype.type] 
    4305 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4306  
    4307 Error processing trigger "coord update": 
    4308 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4309  
    4310 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4311 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4312 cty = numpy_type_to_ctype[a.dtype.type] 
    4313  
    4314 See log for complete Python traceback. 
    4315  
    4316 Traceback (most recent call last): 
    4317 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4319 return self._func(self._name, data) 
    4320 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4321 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4322 _push_coords_to_sim 
    4323 self.thread_handler.coords = self._pending_coords 
    4324 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4325 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4326 f(self._c_pointer, n, pointer(coords)) 
    4327 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4328 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4329 cty = numpy_type_to_ctype[a.dtype.type] 
    4330 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4331  
    4332 Error processing trigger "coord update": 
    4333 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4334  
    4335 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4336 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4337 cty = numpy_type_to_ctype[a.dtype.type] 
    4338  
    4339 See log for complete Python traceback. 
    4340  
    4341 Traceback (most recent call last): 
    4342 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4344 return self._func(self._name, data) 
    4345 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4346 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4347 _push_coords_to_sim 
    4348 self.thread_handler.coords = self._pending_coords 
    4349 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4350 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4351 f(self._c_pointer, n, pointer(coords)) 
    4352 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4353 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4354 cty = numpy_type_to_ctype[a.dtype.type] 
    4355 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4356  
    4357 Error processing trigger "coord update": 
    4358 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4359  
    4360 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4361 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4362 cty = numpy_type_to_ctype[a.dtype.type] 
    4363  
    4364 See log for complete Python traceback. 
    4365  
    4366 Traceback (most recent call last): 
    4367 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4369 return self._func(self._name, data) 
    4370 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4371 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4372 _push_coords_to_sim 
    4373 self.thread_handler.coords = self._pending_coords 
    4374 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4375 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4376 f(self._c_pointer, n, pointer(coords)) 
    4377 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4378 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4379 cty = numpy_type_to_ctype[a.dtype.type] 
    4380 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4381  
    4382 Error processing trigger "coord update": 
    4383 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4384  
    4385 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4386 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4387 cty = numpy_type_to_ctype[a.dtype.type] 
    4388  
    4389 See log for complete Python traceback. 
    4390  
    4391 Traceback (most recent call last): 
    4392 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4394 return self._func(self._name, data) 
    4395 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4396 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4397 _push_coords_to_sim 
    4398 self.thread_handler.coords = self._pending_coords 
    4399 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4400 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4401 f(self._c_pointer, n, pointer(coords)) 
    4402 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4403 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4404 cty = numpy_type_to_ctype[a.dtype.type] 
    4405 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4406  
    4407 Error processing trigger "coord update": 
    4408 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4409  
    4410 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4411 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4412 cty = numpy_type_to_ctype[a.dtype.type] 
    4413  
    4414 See log for complete Python traceback. 
    4415  
    4416 Traceback (most recent call last): 
    4417 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4418 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4419 return self._func(self._name, data) 
    4420 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4421 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4422 _push_coords_to_sim 
    4423 self.thread_handler.coords = self._pending_coords 
    4424 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4425 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4426 f(self._c_pointer, n, pointer(coords)) 
    4427 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4428 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4429 cty = numpy_type_to_ctype[a.dtype.type] 
    4430 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4431  
    4432 Error processing trigger "coord update": 
    4433 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4434  
    4435 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4436 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4437 cty = numpy_type_to_ctype[a.dtype.type] 
    4438  
    4439 See log for complete Python traceback. 
    4440  
    4441 Traceback (most recent call last): 
    4442 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4444 return self._func(self._name, data) 
    4445 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4446 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4447 _push_coords_to_sim 
    4448 self.thread_handler.coords = self._pending_coords 
    4449 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4450 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4451 f(self._c_pointer, n, pointer(coords)) 
    4452 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4453 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4454 cty = numpy_type_to_ctype[a.dtype.type] 
    4455 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4456  
    4457 Error processing trigger "coord update": 
    4458 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4459  
    4460 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4461 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4462 cty = numpy_type_to_ctype[a.dtype.type] 
    4463  
    4464 See log for complete Python traceback. 
    4465  
    4466 Traceback (most recent call last): 
    4467 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4469 return self._func(self._name, data) 
    4470 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4471 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4472 _push_coords_to_sim 
    4473 self.thread_handler.coords = self._pending_coords 
    4474 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4475 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4476 f(self._c_pointer, n, pointer(coords)) 
    4477 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4478 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4479 cty = numpy_type_to_ctype[a.dtype.type] 
    4480 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4481  
    4482 Error processing trigger "coord update": 
    4483 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4484  
    4485 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4486 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4487 cty = numpy_type_to_ctype[a.dtype.type] 
    4488  
    4489 See log for complete Python traceback. 
    4490  
    4491 Traceback (most recent call last): 
    4492 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4494 return self._func(self._name, data) 
    4495 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4496 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4497 _push_coords_to_sim 
    4498 self.thread_handler.coords = self._pending_coords 
    4499 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4500 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4501 f(self._c_pointer, n, pointer(coords)) 
    4502 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4503 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4504 cty = numpy_type_to_ctype[a.dtype.type] 
    4505 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4506  
    4507 Error processing trigger "coord update": 
    4508 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4509  
    4510 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4511 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4512 cty = numpy_type_to_ctype[a.dtype.type] 
    4513  
    4514 See log for complete Python traceback. 
    4515  
    4516 Traceback (most recent call last): 
    4517 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4519 return self._func(self._name, data) 
    4520 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4521 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4522 _push_coords_to_sim 
    4523 self.thread_handler.coords = self._pending_coords 
    4524 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4525 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4526 f(self._c_pointer, n, pointer(coords)) 
    4527 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4528 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4529 cty = numpy_type_to_ctype[a.dtype.type] 
    4530 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4531  
    4532 Error processing trigger "coord update": 
    4533 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4534  
    4535 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4536 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4537 cty = numpy_type_to_ctype[a.dtype.type] 
    4538  
    4539 See log for complete Python traceback. 
    4540  
    4541 Traceback (most recent call last): 
    4542 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4544 return self._func(self._name, data) 
    4545 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4546 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4547 _push_coords_to_sim 
    4548 self.thread_handler.coords = self._pending_coords 
    4549 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4550 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4551 f(self._c_pointer, n, pointer(coords)) 
    4552 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4553 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4554 cty = numpy_type_to_ctype[a.dtype.type] 
    4555 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4556  
    4557 Error processing trigger "coord update": 
    4558 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4559  
    4560 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4561 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4562 cty = numpy_type_to_ctype[a.dtype.type] 
    4563  
    4564 See log for complete Python traceback. 
    4565  
    4566 Traceback (most recent call last): 
    4567 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4569 return self._func(self._name, data) 
    4570 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4571 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4572 _push_coords_to_sim 
    4573 self.thread_handler.coords = self._pending_coords 
    4574 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4575 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4576 f(self._c_pointer, n, pointer(coords)) 
    4577 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4578 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4579 cty = numpy_type_to_ctype[a.dtype.type] 
    4580 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4581  
    4582 Error processing trigger "coord update": 
    4583 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4584  
    4585 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4586 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4587 cty = numpy_type_to_ctype[a.dtype.type] 
    4588  
    4589 See log for complete Python traceback. 
    4590  
    4591 Traceback (most recent call last): 
    4592 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4594 return self._func(self._name, data) 
    4595 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4596 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4597 _push_coords_to_sim 
    4598 self.thread_handler.coords = self._pending_coords 
    4599 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4600 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4601 f(self._c_pointer, n, pointer(coords)) 
    4602 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4603 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4604 cty = numpy_type_to_ctype[a.dtype.type] 
    4605 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4606  
    4607 Error processing trigger "coord update": 
    4608 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4609  
    4610 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4611 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4612 cty = numpy_type_to_ctype[a.dtype.type] 
    4613  
    4614 See log for complete Python traceback. 
    4615  
    4616 Traceback (most recent call last): 
    4617 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4619 return self._func(self._name, data) 
    4620 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4621 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4622 _push_coords_to_sim 
    4623 self.thread_handler.coords = self._pending_coords 
    4624 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4625 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4626 f(self._c_pointer, n, pointer(coords)) 
    4627 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4628 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4629 cty = numpy_type_to_ctype[a.dtype.type] 
    4630 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4631  
    4632 Error processing trigger "coord update": 
    4633 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4634  
    4635 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4636 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4637 cty = numpy_type_to_ctype[a.dtype.type] 
    4638  
    4639 See log for complete Python traceback. 
    4640  
    4641 Traceback (most recent call last): 
    4642 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4644 return self._func(self._name, data) 
    4645 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4646 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4647 _push_coords_to_sim 
    4648 self.thread_handler.coords = self._pending_coords 
    4649 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4650 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4651 f(self._c_pointer, n, pointer(coords)) 
    4652 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4653 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4654 cty = numpy_type_to_ctype[a.dtype.type] 
    4655 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4656  
    4657 Error processing trigger "coord update": 
    4658 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4659  
    4660 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4661 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4662 cty = numpy_type_to_ctype[a.dtype.type] 
    4663  
    4664 See log for complete Python traceback. 
    4665  
    4666 Traceback (most recent call last): 
    4667 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4669 return self._func(self._name, data) 
    4670 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4671 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4672 _push_coords_to_sim 
    4673 self.thread_handler.coords = self._pending_coords 
    4674 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4675 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4676 f(self._c_pointer, n, pointer(coords)) 
    4677 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4678 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4679 cty = numpy_type_to_ctype[a.dtype.type] 
    4680 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4681  
    4682 Error processing trigger "coord update": 
    4683 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4684  
    4685 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4686 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4687 cty = numpy_type_to_ctype[a.dtype.type] 
    4688  
    4689 See log for complete Python traceback. 
    4690  
    4691 Traceback (most recent call last): 
    4692 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4694 return self._func(self._name, data) 
    4695 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4696 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4697 _push_coords_to_sim 
    4698 self.thread_handler.coords = self._pending_coords 
    4699 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4700 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4701 f(self._c_pointer, n, pointer(coords)) 
    4702 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4703 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4704 cty = numpy_type_to_ctype[a.dtype.type] 
    4705 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4706  
    4707 Error processing trigger "coord update": 
    4708 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4709  
    4710 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4711 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4712 cty = numpy_type_to_ctype[a.dtype.type] 
    4713  
    4714 See log for complete Python traceback. 
    4715  
    4716 Traceback (most recent call last): 
    4717 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4719 return self._func(self._name, data) 
    4720 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4721 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4722 _push_coords_to_sim 
    4723 self.thread_handler.coords = self._pending_coords 
    4724 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4725 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4726 f(self._c_pointer, n, pointer(coords)) 
    4727 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4728 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4729 cty = numpy_type_to_ctype[a.dtype.type] 
    4730 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4731  
    4732 Error processing trigger "coord update": 
    4733 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4734  
    4735 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4736 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4737 cty = numpy_type_to_ctype[a.dtype.type] 
    4738  
    4739 See log for complete Python traceback. 
    4740  
    4741 Traceback (most recent call last): 
    4742 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4744 return self._func(self._name, data) 
    4745 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4746 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4747 _push_coords_to_sim 
    4748 self.thread_handler.coords = self._pending_coords 
    4749 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4750 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4751 f(self._c_pointer, n, pointer(coords)) 
    4752 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4753 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4754 cty = numpy_type_to_ctype[a.dtype.type] 
    4755 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4756  
    4757 Error processing trigger "coord update": 
    4758 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4759  
    4760 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4761 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4762 cty = numpy_type_to_ctype[a.dtype.type] 
    4763  
    4764 See log for complete Python traceback. 
    4765  
    4766 Traceback (most recent call last): 
    4767 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4769 return self._func(self._name, data) 
    4770 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4771 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4772 _push_coords_to_sim 
    4773 self.thread_handler.coords = self._pending_coords 
    4774 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4775 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4776 f(self._c_pointer, n, pointer(coords)) 
    4777 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4778 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4779 cty = numpy_type_to_ctype[a.dtype.type] 
    4780 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4781  
    4782 Error processing trigger "coord update": 
    4783 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4784  
    4785 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4786 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4787 cty = numpy_type_to_ctype[a.dtype.type] 
    4788  
    4789 See log for complete Python traceback. 
    4790  
    4791 Traceback (most recent call last): 
    4792 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4794 return self._func(self._name, data) 
    4795 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4796 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4797 _push_coords_to_sim 
    4798 self.thread_handler.coords = self._pending_coords 
    4799 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4800 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4801 f(self._c_pointer, n, pointer(coords)) 
    4802 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4803 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4804 cty = numpy_type_to_ctype[a.dtype.type] 
    4805 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4806  
    4807 Error processing trigger "coord update": 
    4808 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4809  
    4810 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4811 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4812 cty = numpy_type_to_ctype[a.dtype.type] 
    4813  
    4814 See log for complete Python traceback. 
    4815  
    4816 Traceback (most recent call last): 
    4817 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4819 return self._func(self._name, data) 
    4820 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4821 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4822 _push_coords_to_sim 
    4823 self.thread_handler.coords = self._pending_coords 
    4824 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4825 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4826 f(self._c_pointer, n, pointer(coords)) 
    4827 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4828 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4829 cty = numpy_type_to_ctype[a.dtype.type] 
    4830 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4831  
    4832 Error processing trigger "coord update": 
    4833 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4834  
    4835 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4836 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4837 cty = numpy_type_to_ctype[a.dtype.type] 
    4838  
    4839 See log for complete Python traceback. 
    4840  
    4841 Traceback (most recent call last): 
    4842 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4844 return self._func(self._name, data) 
    4845 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4846 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4847 _push_coords_to_sim 
    4848 self.thread_handler.coords = self._pending_coords 
    4849 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4850 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4851 f(self._c_pointer, n, pointer(coords)) 
    4852 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4853 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4854 cty = numpy_type_to_ctype[a.dtype.type] 
    4855 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4856  
    4857 Error processing trigger "coord update": 
    4858 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4859  
    4860 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4861 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4862 cty = numpy_type_to_ctype[a.dtype.type] 
    4863  
    4864 See log for complete Python traceback. 
    4865  
    4866 Traceback (most recent call last): 
    4867 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4869 return self._func(self._name, data) 
    4870 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4871 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4872 _push_coords_to_sim 
    4873 self.thread_handler.coords = self._pending_coords 
    4874 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4875 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4876 f(self._c_pointer, n, pointer(coords)) 
    4877 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4878 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4879 cty = numpy_type_to_ctype[a.dtype.type] 
    4880 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4881  
    4882 Error processing trigger "coord update": 
    4883 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4884  
    4885 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4886 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4887 cty = numpy_type_to_ctype[a.dtype.type] 
    4888  
    4889 See log for complete Python traceback. 
    4890  
    4891 Traceback (most recent call last): 
    4892 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4894 return self._func(self._name, data) 
    4895 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4896 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4897 _push_coords_to_sim 
    4898 self.thread_handler.coords = self._pending_coords 
    4899 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4900 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4901 f(self._c_pointer, n, pointer(coords)) 
    4902 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4903 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4904 cty = numpy_type_to_ctype[a.dtype.type] 
    4905 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4906  
    4907 Error processing trigger "coord update": 
    4908 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4909  
    4910 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4911 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4912 cty = numpy_type_to_ctype[a.dtype.type] 
    4913  
    4914 See log for complete Python traceback. 
    4915  
    4916 Traceback (most recent call last): 
    4917 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4919 return self._func(self._name, data) 
    4920 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4921 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4922 _push_coords_to_sim 
    4923 self.thread_handler.coords = self._pending_coords 
    4924 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4925 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4926 f(self._c_pointer, n, pointer(coords)) 
    4927 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4928 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4929 cty = numpy_type_to_ctype[a.dtype.type] 
    4930 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4931  
    4932 Error processing trigger "coord update": 
    4933 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4934  
    4935 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4936 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4937 cty = numpy_type_to_ctype[a.dtype.type] 
    4938  
    4939 See log for complete Python traceback. 
    4940  
    4941 Traceback (most recent call last): 
    4942 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4944 return self._func(self._name, data) 
    4945 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4946 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4947 _push_coords_to_sim 
    4948 self.thread_handler.coords = self._pending_coords 
    4949 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4950 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4951 f(self._c_pointer, n, pointer(coords)) 
    4952 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4953 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4954 cty = numpy_type_to_ctype[a.dtype.type] 
    4955 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4956  
    4957 Error processing trigger "coord update": 
    4958 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4959  
    4960 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4961 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4962 cty = numpy_type_to_ctype[a.dtype.type] 
    4963  
    4964 See log for complete Python traceback. 
    4965  
    4966 Traceback (most recent call last): 
    4967 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4969 return self._func(self._name, data) 
    4970 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4971 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4972 _push_coords_to_sim 
    4973 self.thread_handler.coords = self._pending_coords 
    4974 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4975 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    4976 f(self._c_pointer, n, pointer(coords)) 
    4977 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4978 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4979 cty = numpy_type_to_ctype[a.dtype.type] 
    4980 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4981  
    4982 Error processing trigger "coord update": 
    4983 AttributeError: 'NoneType' object has no attribute 'dtype' 
    4984  
    4985 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4986 packages/chimerax/atomic/molc.py", line 320, in pointer 
    4987 cty = numpy_type_to_ctype[a.dtype.type] 
    4988  
    4989 See log for complete Python traceback. 
    4990  
    4991 Traceback (most recent call last): 
    4992 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    4993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    4994 return self._func(self._name, data) 
    4995 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    4996 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    4997 _push_coords_to_sim 
    4998 self.thread_handler.coords = self._pending_coords 
    4999 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5000 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5001 f(self._c_pointer, n, pointer(coords)) 
    5002 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5003 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5004 cty = numpy_type_to_ctype[a.dtype.type] 
    5005 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5006  
    5007 Error processing trigger "coord update": 
    5008 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5009  
    5010 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5011 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5012 cty = numpy_type_to_ctype[a.dtype.type] 
    5013  
    5014 See log for complete Python traceback. 
    5015  
    5016 Traceback (most recent call last): 
    5017 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5019 return self._func(self._name, data) 
    5020 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5021 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5022 _push_coords_to_sim 
    5023 self.thread_handler.coords = self._pending_coords 
    5024 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5025 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5026 f(self._c_pointer, n, pointer(coords)) 
    5027 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5028 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5029 cty = numpy_type_to_ctype[a.dtype.type] 
    5030 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5031  
    5032 Error processing trigger "coord update": 
    5033 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5034  
    5035 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5036 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5037 cty = numpy_type_to_ctype[a.dtype.type] 
    5038  
    5039 See log for complete Python traceback. 
    5040  
    5041 Traceback (most recent call last): 
    5042 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5044 return self._func(self._name, data) 
    5045 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5046 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5047 _push_coords_to_sim 
    5048 self.thread_handler.coords = self._pending_coords 
    5049 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5050 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5051 f(self._c_pointer, n, pointer(coords)) 
    5052 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5053 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5054 cty = numpy_type_to_ctype[a.dtype.type] 
    5055 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5056  
    5057 Error processing trigger "coord update": 
    5058 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5059  
    5060 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5061 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5062 cty = numpy_type_to_ctype[a.dtype.type] 
    5063  
    5064 See log for complete Python traceback. 
    5065  
    5066 Traceback (most recent call last): 
    5067 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5069 return self._func(self._name, data) 
    5070 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5071 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5072 _push_coords_to_sim 
    5073 self.thread_handler.coords = self._pending_coords 
    5074 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5075 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5076 f(self._c_pointer, n, pointer(coords)) 
    5077 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5078 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5079 cty = numpy_type_to_ctype[a.dtype.type] 
    5080 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5081  
    5082 Error processing trigger "coord update": 
    5083 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5084  
    5085 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5086 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5087 cty = numpy_type_to_ctype[a.dtype.type] 
    5088  
    5089 See log for complete Python traceback. 
    5090  
    5091 Traceback (most recent call last): 
    5092 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5094 return self._func(self._name, data) 
    5095 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5096 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5097 _push_coords_to_sim 
    5098 self.thread_handler.coords = self._pending_coords 
    5099 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5100 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5101 f(self._c_pointer, n, pointer(coords)) 
    5102 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5103 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5104 cty = numpy_type_to_ctype[a.dtype.type] 
    5105 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5106  
    5107 Error processing trigger "coord update": 
    5108 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5109  
    5110 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5111 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5112 cty = numpy_type_to_ctype[a.dtype.type] 
    5113  
    5114 See log for complete Python traceback. 
    5115  
    5116 Traceback (most recent call last): 
    5117 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5119 return self._func(self._name, data) 
    5120 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5121 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5122 _push_coords_to_sim 
    5123 self.thread_handler.coords = self._pending_coords 
    5124 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5125 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5126 f(self._c_pointer, n, pointer(coords)) 
    5127 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5128 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5129 cty = numpy_type_to_ctype[a.dtype.type] 
    5130 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5131  
    5132 Error processing trigger "coord update": 
    5133 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5134  
    5135 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5136 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5137 cty = numpy_type_to_ctype[a.dtype.type] 
    5138  
    5139 See log for complete Python traceback. 
    5140  
    5141 Traceback (most recent call last): 
    5142 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5144 return self._func(self._name, data) 
    5145 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5146 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5147 _push_coords_to_sim 
    5148 self.thread_handler.coords = self._pending_coords 
    5149 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5150 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5151 f(self._c_pointer, n, pointer(coords)) 
    5152 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5153 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5154 cty = numpy_type_to_ctype[a.dtype.type] 
    5155 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5156  
    5157 Error processing trigger "coord update": 
    5158 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5159  
    5160 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5161 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5162 cty = numpy_type_to_ctype[a.dtype.type] 
    5163  
    5164 See log for complete Python traceback. 
    5165  
    5166 Traceback (most recent call last): 
    5167 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5169 return self._func(self._name, data) 
    5170 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5171 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5172 _push_coords_to_sim 
    5173 self.thread_handler.coords = self._pending_coords 
    5174 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5175 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5176 f(self._c_pointer, n, pointer(coords)) 
    5177 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5178 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5179 cty = numpy_type_to_ctype[a.dtype.type] 
    5180 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5181  
    5182 Error processing trigger "coord update": 
    5183 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5184  
    5185 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5186 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5187 cty = numpy_type_to_ctype[a.dtype.type] 
    5188  
    5189 See log for complete Python traceback. 
    5190  
    5191 Traceback (most recent call last): 
    5192 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5194 return self._func(self._name, data) 
    5195 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5196 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5197 _push_coords_to_sim 
    5198 self.thread_handler.coords = self._pending_coords 
    5199 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5200 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5201 f(self._c_pointer, n, pointer(coords)) 
    5202 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5203 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5204 cty = numpy_type_to_ctype[a.dtype.type] 
    5205 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5206  
    5207 Error processing trigger "coord update": 
    5208 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5209  
    5210 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5211 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5212 cty = numpy_type_to_ctype[a.dtype.type] 
    5213  
    5214 See log for complete Python traceback. 
    5215  
    5216 Traceback (most recent call last): 
    5217 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5219 return self._func(self._name, data) 
    5220 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5221 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5222 _push_coords_to_sim 
    5223 self.thread_handler.coords = self._pending_coords 
    5224 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5225 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5226 f(self._c_pointer, n, pointer(coords)) 
    5227 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5228 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5229 cty = numpy_type_to_ctype[a.dtype.type] 
    5230 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5231  
    5232 Error processing trigger "coord update": 
    5233 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5234  
    5235 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5236 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5237 cty = numpy_type_to_ctype[a.dtype.type] 
    5238  
    5239 See log for complete Python traceback. 
    5240  
    5241 Traceback (most recent call last): 
    5242 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5244 return self._func(self._name, data) 
    5245 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5246 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5247 _push_coords_to_sim 
    5248 self.thread_handler.coords = self._pending_coords 
    5249 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5250 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5251 f(self._c_pointer, n, pointer(coords)) 
    5252 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5253 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5254 cty = numpy_type_to_ctype[a.dtype.type] 
    5255 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5256  
    5257 Error processing trigger "coord update": 
    5258 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5259  
    5260 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5261 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5262 cty = numpy_type_to_ctype[a.dtype.type] 
    5263  
    5264 See log for complete Python traceback. 
    5265  
    5266 Traceback (most recent call last): 
    5267 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5269 return self._func(self._name, data) 
    5270 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5271 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5272 _push_coords_to_sim 
    5273 self.thread_handler.coords = self._pending_coords 
    5274 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5275 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5276 f(self._c_pointer, n, pointer(coords)) 
    5277 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5278 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5279 cty = numpy_type_to_ctype[a.dtype.type] 
    5280 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5281  
    5282 Error processing trigger "coord update": 
    5283 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5284  
    5285 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5286 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5287 cty = numpy_type_to_ctype[a.dtype.type] 
    5288  
    5289 See log for complete Python traceback. 
    5290  
    5291 Traceback (most recent call last): 
    5292 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5294 return self._func(self._name, data) 
    5295 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5296 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5297 _push_coords_to_sim 
    5298 self.thread_handler.coords = self._pending_coords 
    5299 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5300 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5301 f(self._c_pointer, n, pointer(coords)) 
    5302 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5303 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5304 cty = numpy_type_to_ctype[a.dtype.type] 
    5305 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5306  
    5307 Error processing trigger "coord update": 
    5308 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5309  
    5310 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5311 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5312 cty = numpy_type_to_ctype[a.dtype.type] 
    5313  
    5314 See log for complete Python traceback. 
    5315  
    5316 Traceback (most recent call last): 
    5317 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5319 return self._func(self._name, data) 
    5320 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5321 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5322 _push_coords_to_sim 
    5323 self.thread_handler.coords = self._pending_coords 
    5324 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5325 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5326 f(self._c_pointer, n, pointer(coords)) 
    5327 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5328 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5329 cty = numpy_type_to_ctype[a.dtype.type] 
    5330 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5331  
    5332 Error processing trigger "coord update": 
    5333 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5334  
    5335 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5336 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5337 cty = numpy_type_to_ctype[a.dtype.type] 
    5338  
    5339 See log for complete Python traceback. 
    5340  
    5341 Traceback (most recent call last): 
    5342 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5344 return self._func(self._name, data) 
    5345 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5346 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5347 _push_coords_to_sim 
    5348 self.thread_handler.coords = self._pending_coords 
    5349 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5350 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5351 f(self._c_pointer, n, pointer(coords)) 
    5352 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5353 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5354 cty = numpy_type_to_ctype[a.dtype.type] 
    5355 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5356  
    5357 Error processing trigger "coord update": 
    5358 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5359  
    5360 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5361 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5362 cty = numpy_type_to_ctype[a.dtype.type] 
    5363  
    5364 See log for complete Python traceback. 
    5365  
    5366 Traceback (most recent call last): 
    5367 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5369 return self._func(self._name, data) 
    5370 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5371 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5372 _push_coords_to_sim 
    5373 self.thread_handler.coords = self._pending_coords 
    5374 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5375 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5376 f(self._c_pointer, n, pointer(coords)) 
    5377 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5378 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5379 cty = numpy_type_to_ctype[a.dtype.type] 
    5380 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5381  
    5382 Error processing trigger "coord update": 
    5383 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5384  
    5385 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5386 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5387 cty = numpy_type_to_ctype[a.dtype.type] 
    5388  
    5389 See log for complete Python traceback. 
    5390  
    5391 Traceback (most recent call last): 
    5392 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5394 return self._func(self._name, data) 
    5395 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5396 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5397 _push_coords_to_sim 
    5398 self.thread_handler.coords = self._pending_coords 
    5399 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5400 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5401 f(self._c_pointer, n, pointer(coords)) 
    5402 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5403 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5404 cty = numpy_type_to_ctype[a.dtype.type] 
    5405 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5406  
    5407 Error processing trigger "coord update": 
    5408 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5409  
    5410 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5411 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5412 cty = numpy_type_to_ctype[a.dtype.type] 
    5413  
    5414 See log for complete Python traceback. 
    5415  
    5416 Traceback (most recent call last): 
    5417 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5418 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5419 return self._func(self._name, data) 
    5420 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5421 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5422 _push_coords_to_sim 
    5423 self.thread_handler.coords = self._pending_coords 
    5424 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5425 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5426 f(self._c_pointer, n, pointer(coords)) 
    5427 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5428 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5429 cty = numpy_type_to_ctype[a.dtype.type] 
    5430 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5431  
    5432 Error processing trigger "coord update": 
    5433 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5434  
    5435 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5436 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5437 cty = numpy_type_to_ctype[a.dtype.type] 
    5438  
    5439 See log for complete Python traceback. 
    5440  
    5441 Traceback (most recent call last): 
    5442 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5444 return self._func(self._name, data) 
    5445 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5446 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5447 _push_coords_to_sim 
    5448 self.thread_handler.coords = self._pending_coords 
    5449 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5450 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5451 f(self._c_pointer, n, pointer(coords)) 
    5452 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5453 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5454 cty = numpy_type_to_ctype[a.dtype.type] 
    5455 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5456  
    5457 Error processing trigger "coord update": 
    5458 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5459  
    5460 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5461 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5462 cty = numpy_type_to_ctype[a.dtype.type] 
    5463  
    5464 See log for complete Python traceback. 
    5465  
    5466 Traceback (most recent call last): 
    5467 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5469 return self._func(self._name, data) 
    5470 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5471 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5472 _push_coords_to_sim 
    5473 self.thread_handler.coords = self._pending_coords 
    5474 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5475 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5476 f(self._c_pointer, n, pointer(coords)) 
    5477 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5478 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5479 cty = numpy_type_to_ctype[a.dtype.type] 
    5480 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5481  
    5482 Error processing trigger "coord update": 
    5483 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5484  
    5485 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5486 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5487 cty = numpy_type_to_ctype[a.dtype.type] 
    5488  
    5489 See log for complete Python traceback. 
    5490  
    5491 Traceback (most recent call last): 
    5492 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5494 return self._func(self._name, data) 
    5495 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5496 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5497 _push_coords_to_sim 
    5498 self.thread_handler.coords = self._pending_coords 
    5499 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5500 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5501 f(self._c_pointer, n, pointer(coords)) 
    5502 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5503 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5504 cty = numpy_type_to_ctype[a.dtype.type] 
    5505 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5506  
    5507 Error processing trigger "coord update": 
    5508 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5509  
    5510 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5511 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5512 cty = numpy_type_to_ctype[a.dtype.type] 
    5513  
    5514 See log for complete Python traceback. 
    5515  
    5516 Traceback (most recent call last): 
    5517 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5519 return self._func(self._name, data) 
    5520 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5521 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5522 _push_coords_to_sim 
    5523 self.thread_handler.coords = self._pending_coords 
    5524 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5525 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5526 f(self._c_pointer, n, pointer(coords)) 
    5527 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5528 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5529 cty = numpy_type_to_ctype[a.dtype.type] 
    5530 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5531  
    5532 Error processing trigger "coord update": 
    5533 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5534  
    5535 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5536 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5537 cty = numpy_type_to_ctype[a.dtype.type] 
    5538  
    5539 See log for complete Python traceback. 
    5540  
    5541 Traceback (most recent call last): 
    5542 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5544 return self._func(self._name, data) 
    5545 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5546 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5547 _push_coords_to_sim 
    5548 self.thread_handler.coords = self._pending_coords 
    5549 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5550 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5551 f(self._c_pointer, n, pointer(coords)) 
    5552 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5553 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5554 cty = numpy_type_to_ctype[a.dtype.type] 
    5555 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5556  
    5557 Error processing trigger "coord update": 
    5558 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5559  
    5560 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5561 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5562 cty = numpy_type_to_ctype[a.dtype.type] 
    5563  
    5564 See log for complete Python traceback. 
    5565  
    5566 Traceback (most recent call last): 
    5567 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5569 return self._func(self._name, data) 
    5570 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5571 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5572 _push_coords_to_sim 
    5573 self.thread_handler.coords = self._pending_coords 
    5574 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5575 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5576 f(self._c_pointer, n, pointer(coords)) 
    5577 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5578 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5579 cty = numpy_type_to_ctype[a.dtype.type] 
    5580 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5581  
    5582 Error processing trigger "coord update": 
    5583 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5584  
    5585 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5586 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5587 cty = numpy_type_to_ctype[a.dtype.type] 
    5588  
    5589 See log for complete Python traceback. 
    5590  
    5591 Traceback (most recent call last): 
    5592 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5594 return self._func(self._name, data) 
    5595 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5596 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5597 _push_coords_to_sim 
    5598 self.thread_handler.coords = self._pending_coords 
    5599 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5600 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5601 f(self._c_pointer, n, pointer(coords)) 
    5602 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5603 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5604 cty = numpy_type_to_ctype[a.dtype.type] 
    5605 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5606  
    5607 Error processing trigger "coord update": 
    5608 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5609  
    5610 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5611 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5612 cty = numpy_type_to_ctype[a.dtype.type] 
    5613  
    5614 See log for complete Python traceback. 
    5615  
    5616 Traceback (most recent call last): 
    5617 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5619 return self._func(self._name, data) 
    5620 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5621 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5622 _push_coords_to_sim 
    5623 self.thread_handler.coords = self._pending_coords 
    5624 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5625 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5626 f(self._c_pointer, n, pointer(coords)) 
    5627 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5628 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5629 cty = numpy_type_to_ctype[a.dtype.type] 
    5630 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5631  
    5632 Error processing trigger "coord update": 
    5633 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5634  
    5635 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5636 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5637 cty = numpy_type_to_ctype[a.dtype.type] 
    5638  
    5639 See log for complete Python traceback. 
    5640  
    5641 Traceback (most recent call last): 
    5642 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5644 return self._func(self._name, data) 
    5645 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5646 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5647 _push_coords_to_sim 
    5648 self.thread_handler.coords = self._pending_coords 
    5649 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5650 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5651 f(self._c_pointer, n, pointer(coords)) 
    5652 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5653 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5654 cty = numpy_type_to_ctype[a.dtype.type] 
    5655 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5656  
    5657 Error processing trigger "coord update": 
    5658 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5659  
    5660 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5661 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5662 cty = numpy_type_to_ctype[a.dtype.type] 
    5663  
    5664 See log for complete Python traceback. 
    5665  
    5666 Traceback (most recent call last): 
    5667 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5669 return self._func(self._name, data) 
    5670 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5671 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5672 _push_coords_to_sim 
    5673 self.thread_handler.coords = self._pending_coords 
    5674 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5675 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5676 f(self._c_pointer, n, pointer(coords)) 
    5677 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5678 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5679 cty = numpy_type_to_ctype[a.dtype.type] 
    5680 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5681  
    5682 Error processing trigger "coord update": 
    5683 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5684  
    5685 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5686 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5687 cty = numpy_type_to_ctype[a.dtype.type] 
    5688  
    5689 See log for complete Python traceback. 
    5690  
    5691 Traceback (most recent call last): 
    5692 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5694 return self._func(self._name, data) 
    5695 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5696 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5697 _push_coords_to_sim 
    5698 self.thread_handler.coords = self._pending_coords 
    5699 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5700 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5701 f(self._c_pointer, n, pointer(coords)) 
    5702 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5703 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5704 cty = numpy_type_to_ctype[a.dtype.type] 
    5705 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5706  
    5707 Error processing trigger "coord update": 
    5708 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5709  
    5710 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5711 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5712 cty = numpy_type_to_ctype[a.dtype.type] 
    5713  
    5714 See log for complete Python traceback. 
    5715  
    5716 Traceback (most recent call last): 
    5717 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5719 return self._func(self._name, data) 
    5720 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5721 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5722 _push_coords_to_sim 
    5723 self.thread_handler.coords = self._pending_coords 
    5724 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5725 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5726 f(self._c_pointer, n, pointer(coords)) 
    5727 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5728 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5729 cty = numpy_type_to_ctype[a.dtype.type] 
    5730 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5731  
    5732 Error processing trigger "coord update": 
    5733 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5734  
    5735 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5736 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5737 cty = numpy_type_to_ctype[a.dtype.type] 
    5738  
    5739 See log for complete Python traceback. 
    5740  
    5741 Traceback (most recent call last): 
    5742 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5744 return self._func(self._name, data) 
    5745 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5746 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5747 _push_coords_to_sim 
    5748 self.thread_handler.coords = self._pending_coords 
    5749 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5750 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5751 f(self._c_pointer, n, pointer(coords)) 
    5752 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5753 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5754 cty = numpy_type_to_ctype[a.dtype.type] 
    5755 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5756  
    5757 Error processing trigger "coord update": 
    5758 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5759  
    5760 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5761 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5762 cty = numpy_type_to_ctype[a.dtype.type] 
    5763  
    5764 See log for complete Python traceback. 
    5765  
    5766 Traceback (most recent call last): 
    5767 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5769 return self._func(self._name, data) 
    5770 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5771 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5772 _push_coords_to_sim 
    5773 self.thread_handler.coords = self._pending_coords 
    5774 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5775 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5776 f(self._c_pointer, n, pointer(coords)) 
    5777 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5778 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5779 cty = numpy_type_to_ctype[a.dtype.type] 
    5780 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5781  
    5782 Error processing trigger "coord update": 
    5783 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5784  
    5785 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5786 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5787 cty = numpy_type_to_ctype[a.dtype.type] 
    5788  
    5789 See log for complete Python traceback. 
    5790  
    5791 Traceback (most recent call last): 
    5792 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5794 return self._func(self._name, data) 
    5795 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5796 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5797 _push_coords_to_sim 
    5798 self.thread_handler.coords = self._pending_coords 
    5799 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5800 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5801 f(self._c_pointer, n, pointer(coords)) 
    5802 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5803 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5804 cty = numpy_type_to_ctype[a.dtype.type] 
    5805 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5806  
    5807 Error processing trigger "coord update": 
    5808 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5809  
    5810 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5811 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5812 cty = numpy_type_to_ctype[a.dtype.type] 
    5813  
    5814 See log for complete Python traceback. 
    5815  
    5816 Traceback (most recent call last): 
    5817 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5819 return self._func(self._name, data) 
    5820 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5821 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5822 _push_coords_to_sim 
    5823 self.thread_handler.coords = self._pending_coords 
    5824 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5825 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5826 f(self._c_pointer, n, pointer(coords)) 
    5827 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5828 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5829 cty = numpy_type_to_ctype[a.dtype.type] 
    5830 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5831  
    5832 Error processing trigger "coord update": 
    5833 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5834  
    5835 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5836 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5837 cty = numpy_type_to_ctype[a.dtype.type] 
    5838  
    5839 See log for complete Python traceback. 
    5840  
    5841 Traceback (most recent call last): 
    5842 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5844 return self._func(self._name, data) 
    5845 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5846 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5847 _push_coords_to_sim 
    5848 self.thread_handler.coords = self._pending_coords 
    5849 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5850 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5851 f(self._c_pointer, n, pointer(coords)) 
    5852 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5853 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5854 cty = numpy_type_to_ctype[a.dtype.type] 
    5855 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5856  
    5857 Error processing trigger "coord update": 
    5858 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5859  
    5860 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5861 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5862 cty = numpy_type_to_ctype[a.dtype.type] 
    5863  
    5864 See log for complete Python traceback. 
    5865  
    5866 Traceback (most recent call last): 
    5867 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5869 return self._func(self._name, data) 
    5870 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5871 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5872 _push_coords_to_sim 
    5873 self.thread_handler.coords = self._pending_coords 
    5874 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5875 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5876 f(self._c_pointer, n, pointer(coords)) 
    5877 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5878 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5879 cty = numpy_type_to_ctype[a.dtype.type] 
    5880 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5881  
    5882 Error processing trigger "coord update": 
    5883 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5884  
    5885 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5886 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5887 cty = numpy_type_to_ctype[a.dtype.type] 
    5888  
    5889 See log for complete Python traceback. 
    5890  
    5891 Traceback (most recent call last): 
    5892 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5894 return self._func(self._name, data) 
    5895 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5896 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5897 _push_coords_to_sim 
    5898 self.thread_handler.coords = self._pending_coords 
    5899 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5900 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5901 f(self._c_pointer, n, pointer(coords)) 
    5902 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5903 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5904 cty = numpy_type_to_ctype[a.dtype.type] 
    5905 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5906  
    5907 Error processing trigger "coord update": 
    5908 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5909  
    5910 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5911 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5912 cty = numpy_type_to_ctype[a.dtype.type] 
    5913  
    5914 See log for complete Python traceback. 
    5915  
    5916 Traceback (most recent call last): 
    5917 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5919 return self._func(self._name, data) 
    5920 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5921 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5922 _push_coords_to_sim 
    5923 self.thread_handler.coords = self._pending_coords 
    5924 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5925 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5926 f(self._c_pointer, n, pointer(coords)) 
    5927 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5928 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5929 cty = numpy_type_to_ctype[a.dtype.type] 
    5930 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5931  
    5932 Error processing trigger "coord update": 
    5933 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5934  
    5935 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5936 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5937 cty = numpy_type_to_ctype[a.dtype.type] 
    5938  
    5939 See log for complete Python traceback. 
    5940  
    5941 Traceback (most recent call last): 
    5942 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5944 return self._func(self._name, data) 
    5945 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5946 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5947 _push_coords_to_sim 
    5948 self.thread_handler.coords = self._pending_coords 
    5949 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5950 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5951 f(self._c_pointer, n, pointer(coords)) 
    5952 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5953 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5954 cty = numpy_type_to_ctype[a.dtype.type] 
    5955 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5956  
    5957 Error processing trigger "coord update": 
    5958 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5959  
    5960 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5961 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5962 cty = numpy_type_to_ctype[a.dtype.type] 
    5963  
    5964 See log for complete Python traceback. 
    5965  
    5966 Traceback (most recent call last): 
    5967 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5969 return self._func(self._name, data) 
    5970 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5971 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5972 _push_coords_to_sim 
    5973 self.thread_handler.coords = self._pending_coords 
    5974 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5975 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    5976 f(self._c_pointer, n, pointer(coords)) 
    5977 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5978 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5979 cty = numpy_type_to_ctype[a.dtype.type] 
    5980 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5981  
    5982 Error processing trigger "coord update": 
    5983 AttributeError: 'NoneType' object has no attribute 'dtype' 
    5984  
    5985 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5986 packages/chimerax/atomic/molc.py", line 320, in pointer 
    5987 cty = numpy_type_to_ctype[a.dtype.type] 
    5988  
    5989 See log for complete Python traceback. 
    5990  
    5991 Traceback (most recent call last): 
    5992 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    5993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    5994 return self._func(self._name, data) 
    5995 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    5996 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    5997 _push_coords_to_sim 
    5998 self.thread_handler.coords = self._pending_coords 
    5999 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6000 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6001 f(self._c_pointer, n, pointer(coords)) 
    6002 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6003 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6004 cty = numpy_type_to_ctype[a.dtype.type] 
    6005 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6006  
    6007 Error processing trigger "coord update": 
    6008 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6009  
    6010 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6011 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6012 cty = numpy_type_to_ctype[a.dtype.type] 
    6013  
    6014 See log for complete Python traceback. 
    6015  
    6016 Traceback (most recent call last): 
    6017 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6019 return self._func(self._name, data) 
    6020 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6021 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6022 _push_coords_to_sim 
    6023 self.thread_handler.coords = self._pending_coords 
    6024 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6025 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6026 f(self._c_pointer, n, pointer(coords)) 
    6027 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6028 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6029 cty = numpy_type_to_ctype[a.dtype.type] 
    6030 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6031  
    6032 Error processing trigger "coord update": 
    6033 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6034  
    6035 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6036 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6037 cty = numpy_type_to_ctype[a.dtype.type] 
    6038  
    6039 See log for complete Python traceback. 
    6040  
    6041 Traceback (most recent call last): 
    6042 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6044 return self._func(self._name, data) 
    6045 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6046 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6047 _push_coords_to_sim 
    6048 self.thread_handler.coords = self._pending_coords 
    6049 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6050 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6051 f(self._c_pointer, n, pointer(coords)) 
    6052 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6053 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6054 cty = numpy_type_to_ctype[a.dtype.type] 
    6055 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6056  
    6057 Error processing trigger "coord update": 
    6058 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6059  
    6060 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6061 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6062 cty = numpy_type_to_ctype[a.dtype.type] 
    6063  
    6064 See log for complete Python traceback. 
    6065  
    6066 Traceback (most recent call last): 
    6067 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6069 return self._func(self._name, data) 
    6070 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6071 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6072 _push_coords_to_sim 
    6073 self.thread_handler.coords = self._pending_coords 
    6074 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6075 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6076 f(self._c_pointer, n, pointer(coords)) 
    6077 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6078 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6079 cty = numpy_type_to_ctype[a.dtype.type] 
    6080 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6081  
    6082 Error processing trigger "coord update": 
    6083 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6084  
    6085 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6086 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6087 cty = numpy_type_to_ctype[a.dtype.type] 
    6088  
    6089 See log for complete Python traceback. 
    6090  
    6091 Traceback (most recent call last): 
    6092 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6094 return self._func(self._name, data) 
    6095 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6096 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6097 _push_coords_to_sim 
    6098 self.thread_handler.coords = self._pending_coords 
    6099 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6100 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6101 f(self._c_pointer, n, pointer(coords)) 
    6102 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6103 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6104 cty = numpy_type_to_ctype[a.dtype.type] 
    6105 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6106  
    6107 Error processing trigger "coord update": 
    6108 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6109  
    6110 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6111 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6112 cty = numpy_type_to_ctype[a.dtype.type] 
    6113  
    6114 See log for complete Python traceback. 
    6115  
    6116 Traceback (most recent call last): 
    6117 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6119 return self._func(self._name, data) 
    6120 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6121 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6122 _push_coords_to_sim 
    6123 self.thread_handler.coords = self._pending_coords 
    6124 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6125 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6126 f(self._c_pointer, n, pointer(coords)) 
    6127 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6128 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6129 cty = numpy_type_to_ctype[a.dtype.type] 
    6130 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6131  
    6132 Error processing trigger "coord update": 
    6133 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6134  
    6135 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6136 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6137 cty = numpy_type_to_ctype[a.dtype.type] 
    6138  
    6139 See log for complete Python traceback. 
    6140  
    6141 Traceback (most recent call last): 
    6142 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6144 return self._func(self._name, data) 
    6145 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6146 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6147 _push_coords_to_sim 
    6148 self.thread_handler.coords = self._pending_coords 
    6149 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6150 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6151 f(self._c_pointer, n, pointer(coords)) 
    6152 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6153 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6154 cty = numpy_type_to_ctype[a.dtype.type] 
    6155 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6156  
    6157 Error processing trigger "coord update": 
    6158 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6159  
    6160 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6161 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6162 cty = numpy_type_to_ctype[a.dtype.type] 
    6163  
    6164 See log for complete Python traceback. 
    6165  
    6166 Traceback (most recent call last): 
    6167 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6169 return self._func(self._name, data) 
    6170 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6171 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6172 _push_coords_to_sim 
    6173 self.thread_handler.coords = self._pending_coords 
    6174 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6175 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6176 f(self._c_pointer, n, pointer(coords)) 
    6177 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6178 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6179 cty = numpy_type_to_ctype[a.dtype.type] 
    6180 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6181  
    6182 Error processing trigger "coord update": 
    6183 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6184  
    6185 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6186 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6187 cty = numpy_type_to_ctype[a.dtype.type] 
    6188  
    6189 See log for complete Python traceback. 
    6190  
    6191 Traceback (most recent call last): 
    6192 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6194 return self._func(self._name, data) 
    6195 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6196 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6197 _push_coords_to_sim 
    6198 self.thread_handler.coords = self._pending_coords 
    6199 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6200 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6201 f(self._c_pointer, n, pointer(coords)) 
    6202 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6203 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6204 cty = numpy_type_to_ctype[a.dtype.type] 
    6205 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6206  
    6207 Error processing trigger "coord update": 
    6208 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6209  
    6210 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6211 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6212 cty = numpy_type_to_ctype[a.dtype.type] 
    6213  
    6214 See log for complete Python traceback. 
    6215  
    6216 Traceback (most recent call last): 
    6217 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6219 return self._func(self._name, data) 
    6220 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6221 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6222 _push_coords_to_sim 
    6223 self.thread_handler.coords = self._pending_coords 
    6224 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6225 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6226 f(self._c_pointer, n, pointer(coords)) 
    6227 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6228 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6229 cty = numpy_type_to_ctype[a.dtype.type] 
    6230 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6231  
    6232 Error processing trigger "coord update": 
    6233 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6234  
    6235 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6236 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6237 cty = numpy_type_to_ctype[a.dtype.type] 
    6238  
    6239 See log for complete Python traceback. 
    6240  
    6241 Traceback (most recent call last): 
    6242 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6244 return self._func(self._name, data) 
    6245 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6246 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6247 _push_coords_to_sim 
    6248 self.thread_handler.coords = self._pending_coords 
    6249 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6250 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6251 f(self._c_pointer, n, pointer(coords)) 
    6252 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6253 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6254 cty = numpy_type_to_ctype[a.dtype.type] 
    6255 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6256  
    6257 Error processing trigger "coord update": 
    6258 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6259  
    6260 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6261 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6262 cty = numpy_type_to_ctype[a.dtype.type] 
    6263  
    6264 See log for complete Python traceback. 
    6265  
    6266 Traceback (most recent call last): 
    6267 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6269 return self._func(self._name, data) 
    6270 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6271 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6272 _push_coords_to_sim 
    6273 self.thread_handler.coords = self._pending_coords 
    6274 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6275 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6276 f(self._c_pointer, n, pointer(coords)) 
    6277 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6278 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6279 cty = numpy_type_to_ctype[a.dtype.type] 
    6280 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6281  
    6282 Error processing trigger "coord update": 
    6283 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6284  
    6285 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6286 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6287 cty = numpy_type_to_ctype[a.dtype.type] 
    6288  
    6289 See log for complete Python traceback. 
    6290  
    6291 Traceback (most recent call last): 
    6292 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6294 return self._func(self._name, data) 
    6295 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6296 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6297 _push_coords_to_sim 
    6298 self.thread_handler.coords = self._pending_coords 
    6299 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6300 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6301 f(self._c_pointer, n, pointer(coords)) 
    6302 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6303 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6304 cty = numpy_type_to_ctype[a.dtype.type] 
    6305 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6306  
    6307 Error processing trigger "coord update": 
    6308 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6309  
    6310 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6311 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6312 cty = numpy_type_to_ctype[a.dtype.type] 
    6313  
    6314 See log for complete Python traceback. 
    6315  
    6316 Traceback (most recent call last): 
    6317 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6319 return self._func(self._name, data) 
    6320 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6321 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6322 _push_coords_to_sim 
    6323 self.thread_handler.coords = self._pending_coords 
    6324 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6325 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6326 f(self._c_pointer, n, pointer(coords)) 
    6327 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6328 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6329 cty = numpy_type_to_ctype[a.dtype.type] 
    6330 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6331  
    6332 Error processing trigger "coord update": 
    6333 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6334  
    6335 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6336 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6337 cty = numpy_type_to_ctype[a.dtype.type] 
    6338  
    6339 See log for complete Python traceback. 
    6340  
    6341 Traceback (most recent call last): 
    6342 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6344 return self._func(self._name, data) 
    6345 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6346 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6347 _push_coords_to_sim 
    6348 self.thread_handler.coords = self._pending_coords 
    6349 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6350 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6351 f(self._c_pointer, n, pointer(coords)) 
    6352 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6353 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6354 cty = numpy_type_to_ctype[a.dtype.type] 
    6355 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6356  
    6357 Error processing trigger "coord update": 
    6358 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6359  
    6360 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6361 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6362 cty = numpy_type_to_ctype[a.dtype.type] 
    6363  
    6364 See log for complete Python traceback. 
    6365  
    6366 Traceback (most recent call last): 
    6367 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6369 return self._func(self._name, data) 
    6370 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6371 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6372 _push_coords_to_sim 
    6373 self.thread_handler.coords = self._pending_coords 
    6374 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6375 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6376 f(self._c_pointer, n, pointer(coords)) 
    6377 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6378 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6379 cty = numpy_type_to_ctype[a.dtype.type] 
    6380 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6381  
    6382 Error processing trigger "coord update": 
    6383 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6384  
    6385 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6386 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6387 cty = numpy_type_to_ctype[a.dtype.type] 
    6388  
    6389 See log for complete Python traceback. 
    6390  
    6391 Traceback (most recent call last): 
    6392 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6394 return self._func(self._name, data) 
    6395 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6396 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6397 _push_coords_to_sim 
    6398 self.thread_handler.coords = self._pending_coords 
    6399 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6400 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6401 f(self._c_pointer, n, pointer(coords)) 
    6402 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6403 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6404 cty = numpy_type_to_ctype[a.dtype.type] 
    6405 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6406  
    6407 Error processing trigger "coord update": 
    6408 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6409  
    6410 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6411 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6412 cty = numpy_type_to_ctype[a.dtype.type] 
    6413  
    6414 See log for complete Python traceback. 
    6415  
    6416 Traceback (most recent call last): 
    6417 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6418 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6419 return self._func(self._name, data) 
    6420 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6421 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6422 _push_coords_to_sim 
    6423 self.thread_handler.coords = self._pending_coords 
    6424 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6425 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6426 f(self._c_pointer, n, pointer(coords)) 
    6427 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6428 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6429 cty = numpy_type_to_ctype[a.dtype.type] 
    6430 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6431  
    6432 Error processing trigger "coord update": 
    6433 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6434  
    6435 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6436 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6437 cty = numpy_type_to_ctype[a.dtype.type] 
    6438  
    6439 See log for complete Python traceback. 
    6440  
    6441 Traceback (most recent call last): 
    6442 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6444 return self._func(self._name, data) 
    6445 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6446 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6447 _push_coords_to_sim 
    6448 self.thread_handler.coords = self._pending_coords 
    6449 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6450 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6451 f(self._c_pointer, n, pointer(coords)) 
    6452 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6453 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6454 cty = numpy_type_to_ctype[a.dtype.type] 
    6455 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6456  
    6457 Error processing trigger "coord update": 
    6458 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6459  
    6460 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6461 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6462 cty = numpy_type_to_ctype[a.dtype.type] 
    6463  
    6464 See log for complete Python traceback. 
    6465  
    6466 Traceback (most recent call last): 
    6467 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6469 return self._func(self._name, data) 
    6470 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6471 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6472 _push_coords_to_sim 
    6473 self.thread_handler.coords = self._pending_coords 
    6474 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6475 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6476 f(self._c_pointer, n, pointer(coords)) 
    6477 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6478 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6479 cty = numpy_type_to_ctype[a.dtype.type] 
    6480 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6481  
    6482 Error processing trigger "coord update": 
    6483 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6484  
    6485 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6486 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6487 cty = numpy_type_to_ctype[a.dtype.type] 
    6488  
    6489 See log for complete Python traceback. 
    6490  
    6491 Traceback (most recent call last): 
    6492 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6494 return self._func(self._name, data) 
    6495 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6496 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6497 _push_coords_to_sim 
    6498 self.thread_handler.coords = self._pending_coords 
    6499 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6500 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6501 f(self._c_pointer, n, pointer(coords)) 
    6502 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6503 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6504 cty = numpy_type_to_ctype[a.dtype.type] 
    6505 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6506  
    6507 Error processing trigger "coord update": 
    6508 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6509  
    6510 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6511 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6512 cty = numpy_type_to_ctype[a.dtype.type] 
    6513  
    6514 See log for complete Python traceback. 
    6515  
    6516 Traceback (most recent call last): 
    6517 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6519 return self._func(self._name, data) 
    6520 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6521 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6522 _push_coords_to_sim 
    6523 self.thread_handler.coords = self._pending_coords 
    6524 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6525 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6526 f(self._c_pointer, n, pointer(coords)) 
    6527 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6528 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6529 cty = numpy_type_to_ctype[a.dtype.type] 
    6530 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6531  
    6532 Error processing trigger "coord update": 
    6533 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6534  
    6535 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6536 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6537 cty = numpy_type_to_ctype[a.dtype.type] 
    6538  
    6539 See log for complete Python traceback. 
    6540  
    6541 Traceback (most recent call last): 
    6542 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6544 return self._func(self._name, data) 
    6545 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6546 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6547 _push_coords_to_sim 
    6548 self.thread_handler.coords = self._pending_coords 
    6549 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6550 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6551 f(self._c_pointer, n, pointer(coords)) 
    6552 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6553 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6554 cty = numpy_type_to_ctype[a.dtype.type] 
    6555 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6556  
    6557 Error processing trigger "coord update": 
    6558 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6559  
    6560 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6561 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6562 cty = numpy_type_to_ctype[a.dtype.type] 
    6563  
    6564 See log for complete Python traceback. 
    6565  
    6566 Traceback (most recent call last): 
    6567 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6569 return self._func(self._name, data) 
    6570 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6571 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6572 _push_coords_to_sim 
    6573 self.thread_handler.coords = self._pending_coords 
    6574 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6575 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6576 f(self._c_pointer, n, pointer(coords)) 
    6577 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6578 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6579 cty = numpy_type_to_ctype[a.dtype.type] 
    6580 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6581  
    6582 Error processing trigger "coord update": 
    6583 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6584  
    6585 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6586 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6587 cty = numpy_type_to_ctype[a.dtype.type] 
    6588  
    6589 See log for complete Python traceback. 
    6590  
    6591 Traceback (most recent call last): 
    6592 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6594 return self._func(self._name, data) 
    6595 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6596 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6597 _push_coords_to_sim 
    6598 self.thread_handler.coords = self._pending_coords 
    6599 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6600 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6601 f(self._c_pointer, n, pointer(coords)) 
    6602 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6603 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6604 cty = numpy_type_to_ctype[a.dtype.type] 
    6605 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6606  
    6607 Error processing trigger "coord update": 
    6608 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6609  
    6610 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6611 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6612 cty = numpy_type_to_ctype[a.dtype.type] 
    6613  
    6614 See log for complete Python traceback. 
    6615  
    6616 Traceback (most recent call last): 
    6617 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6619 return self._func(self._name, data) 
    6620 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6621 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6622 _push_coords_to_sim 
    6623 self.thread_handler.coords = self._pending_coords 
    6624 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6625 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6626 f(self._c_pointer, n, pointer(coords)) 
    6627 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6628 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6629 cty = numpy_type_to_ctype[a.dtype.type] 
    6630 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6631  
    6632 Error processing trigger "coord update": 
    6633 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6634  
    6635 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6636 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6637 cty = numpy_type_to_ctype[a.dtype.type] 
    6638  
    6639 See log for complete Python traceback. 
    6640  
    6641 Traceback (most recent call last): 
    6642 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6644 return self._func(self._name, data) 
    6645 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6646 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6647 _push_coords_to_sim 
    6648 self.thread_handler.coords = self._pending_coords 
    6649 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6650 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6651 f(self._c_pointer, n, pointer(coords)) 
    6652 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6653 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6654 cty = numpy_type_to_ctype[a.dtype.type] 
    6655 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6656  
    6657 Error processing trigger "coord update": 
    6658 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6659  
    6660 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6661 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6662 cty = numpy_type_to_ctype[a.dtype.type] 
    6663  
    6664 See log for complete Python traceback. 
    6665  
    6666 Traceback (most recent call last): 
    6667 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6669 return self._func(self._name, data) 
    6670 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6671 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6672 _push_coords_to_sim 
    6673 self.thread_handler.coords = self._pending_coords 
    6674 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6675 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6676 f(self._c_pointer, n, pointer(coords)) 
    6677 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6678 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6679 cty = numpy_type_to_ctype[a.dtype.type] 
    6680 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6681  
    6682 Error processing trigger "coord update": 
    6683 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6684  
    6685 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6686 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6687 cty = numpy_type_to_ctype[a.dtype.type] 
    6688  
    6689 See log for complete Python traceback. 
    6690  
    6691 Traceback (most recent call last): 
    6692 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6694 return self._func(self._name, data) 
    6695 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6696 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6697 _push_coords_to_sim 
    6698 self.thread_handler.coords = self._pending_coords 
    6699 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6700 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6701 f(self._c_pointer, n, pointer(coords)) 
    6702 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6703 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6704 cty = numpy_type_to_ctype[a.dtype.type] 
    6705 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6706  
    6707 Error processing trigger "coord update": 
    6708 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6709  
    6710 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6711 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6712 cty = numpy_type_to_ctype[a.dtype.type] 
    6713  
    6714 See log for complete Python traceback. 
    6715  
    6716 Traceback (most recent call last): 
    6717 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6719 return self._func(self._name, data) 
    6720 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6721 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6722 _push_coords_to_sim 
    6723 self.thread_handler.coords = self._pending_coords 
    6724 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6725 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6726 f(self._c_pointer, n, pointer(coords)) 
    6727 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6728 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6729 cty = numpy_type_to_ctype[a.dtype.type] 
    6730 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6731  
    6732 Error processing trigger "coord update": 
    6733 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6734  
    6735 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6736 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6737 cty = numpy_type_to_ctype[a.dtype.type] 
    6738  
    6739 See log for complete Python traceback. 
    6740  
    6741 Traceback (most recent call last): 
    6742 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6744 return self._func(self._name, data) 
    6745 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6746 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6747 _push_coords_to_sim 
    6748 self.thread_handler.coords = self._pending_coords 
    6749 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6750 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6751 f(self._c_pointer, n, pointer(coords)) 
    6752 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6753 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6754 cty = numpy_type_to_ctype[a.dtype.type] 
    6755 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6756  
    6757 Error processing trigger "coord update": 
    6758 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6759  
    6760 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6761 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6762 cty = numpy_type_to_ctype[a.dtype.type] 
    6763  
    6764 See log for complete Python traceback. 
    6765  
    6766 Traceback (most recent call last): 
    6767 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6769 return self._func(self._name, data) 
    6770 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6771 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6772 _push_coords_to_sim 
    6773 self.thread_handler.coords = self._pending_coords 
    6774 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6775 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6776 f(self._c_pointer, n, pointer(coords)) 
    6777 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6778 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6779 cty = numpy_type_to_ctype[a.dtype.type] 
    6780 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6781  
    6782 Error processing trigger "coord update": 
    6783 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6784  
    6785 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6786 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6787 cty = numpy_type_to_ctype[a.dtype.type] 
    6788  
    6789 See log for complete Python traceback. 
    6790  
    6791 Traceback (most recent call last): 
    6792 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6794 return self._func(self._name, data) 
    6795 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6796 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6797 _push_coords_to_sim 
    6798 self.thread_handler.coords = self._pending_coords 
    6799 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6800 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6801 f(self._c_pointer, n, pointer(coords)) 
    6802 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6803 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6804 cty = numpy_type_to_ctype[a.dtype.type] 
    6805 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6806  
    6807 Error processing trigger "coord update": 
    6808 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6809  
    6810 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6811 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6812 cty = numpy_type_to_ctype[a.dtype.type] 
    6813  
    6814 See log for complete Python traceback. 
    6815  
    6816 Traceback (most recent call last): 
    6817 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6819 return self._func(self._name, data) 
    6820 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6821 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6822 _push_coords_to_sim 
    6823 self.thread_handler.coords = self._pending_coords 
    6824 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6825 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6826 f(self._c_pointer, n, pointer(coords)) 
    6827 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6828 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6829 cty = numpy_type_to_ctype[a.dtype.type] 
    6830 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6831  
    6832 Error processing trigger "coord update": 
    6833 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6834  
    6835 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6836 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6837 cty = numpy_type_to_ctype[a.dtype.type] 
    6838  
    6839 See log for complete Python traceback. 
    6840  
    6841 Traceback (most recent call last): 
    6842 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6844 return self._func(self._name, data) 
    6845 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6846 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6847 _push_coords_to_sim 
    6848 self.thread_handler.coords = self._pending_coords 
    6849 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6850 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6851 f(self._c_pointer, n, pointer(coords)) 
    6852 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6853 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6854 cty = numpy_type_to_ctype[a.dtype.type] 
    6855 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6856  
    6857 Error processing trigger "coord update": 
    6858 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6859  
    6860 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6861 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6862 cty = numpy_type_to_ctype[a.dtype.type] 
    6863  
    6864 See log for complete Python traceback. 
    6865  
    6866 Traceback (most recent call last): 
    6867 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6869 return self._func(self._name, data) 
    6870 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6871 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6872 _push_coords_to_sim 
    6873 self.thread_handler.coords = self._pending_coords 
    6874 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6875 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6876 f(self._c_pointer, n, pointer(coords)) 
    6877 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6878 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6879 cty = numpy_type_to_ctype[a.dtype.type] 
    6880 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6881  
    6882 Error processing trigger "coord update": 
    6883 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6884  
    6885 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6886 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6887 cty = numpy_type_to_ctype[a.dtype.type] 
    6888  
    6889 See log for complete Python traceback. 
    6890  
    6891 Traceback (most recent call last): 
    6892 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6894 return self._func(self._name, data) 
    6895 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6896 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6897 _push_coords_to_sim 
    6898 self.thread_handler.coords = self._pending_coords 
    6899 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6900 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6901 f(self._c_pointer, n, pointer(coords)) 
    6902 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6903 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6904 cty = numpy_type_to_ctype[a.dtype.type] 
    6905 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6906  
    6907 Error processing trigger "coord update": 
    6908 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6909  
    6910 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6911 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6912 cty = numpy_type_to_ctype[a.dtype.type] 
    6913  
    6914 See log for complete Python traceback. 
    6915  
    6916 Traceback (most recent call last): 
    6917 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6919 return self._func(self._name, data) 
    6920 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6921 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6922 _push_coords_to_sim 
    6923 self.thread_handler.coords = self._pending_coords 
    6924 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6925 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6926 f(self._c_pointer, n, pointer(coords)) 
    6927 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6928 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6929 cty = numpy_type_to_ctype[a.dtype.type] 
    6930 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6931  
    6932 Error processing trigger "coord update": 
    6933 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6934  
    6935 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6936 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6937 cty = numpy_type_to_ctype[a.dtype.type] 
    6938  
    6939 See log for complete Python traceback. 
    6940  
    6941 Traceback (most recent call last): 
    6942 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6944 return self._func(self._name, data) 
    6945 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6946 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6947 _push_coords_to_sim 
    6948 self.thread_handler.coords = self._pending_coords 
    6949 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6950 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6951 f(self._c_pointer, n, pointer(coords)) 
    6952 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6953 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6954 cty = numpy_type_to_ctype[a.dtype.type] 
    6955 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6956  
    6957 Error processing trigger "coord update": 
    6958 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6959  
    6960 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6961 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6962 cty = numpy_type_to_ctype[a.dtype.type] 
    6963  
    6964 See log for complete Python traceback. 
    6965  
    6966 Traceback (most recent call last): 
    6967 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6969 return self._func(self._name, data) 
    6970 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6971 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6972 _push_coords_to_sim 
    6973 self.thread_handler.coords = self._pending_coords 
    6974 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6975 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    6976 f(self._c_pointer, n, pointer(coords)) 
    6977 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6978 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6979 cty = numpy_type_to_ctype[a.dtype.type] 
    6980 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6981  
    6982 Error processing trigger "coord update": 
    6983 AttributeError: 'NoneType' object has no attribute 'dtype' 
    6984  
    6985 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6986 packages/chimerax/atomic/molc.py", line 320, in pointer 
    6987 cty = numpy_type_to_ctype[a.dtype.type] 
    6988  
    6989 See log for complete Python traceback. 
    6990  
    6991 Traceback (most recent call last): 
    6992 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    6993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    6994 return self._func(self._name, data) 
    6995 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    6996 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    6997 _push_coords_to_sim 
    6998 self.thread_handler.coords = self._pending_coords 
    6999 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7000 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7001 f(self._c_pointer, n, pointer(coords)) 
    7002 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7003 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7004 cty = numpy_type_to_ctype[a.dtype.type] 
    7005 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7006  
    7007 Error processing trigger "coord update": 
    7008 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7009  
    7010 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7011 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7012 cty = numpy_type_to_ctype[a.dtype.type] 
    7013  
    7014 See log for complete Python traceback. 
    7015  
    7016 Traceback (most recent call last): 
    7017 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7019 return self._func(self._name, data) 
    7020 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7021 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7022 _push_coords_to_sim 
    7023 self.thread_handler.coords = self._pending_coords 
    7024 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7025 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7026 f(self._c_pointer, n, pointer(coords)) 
    7027 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7028 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7029 cty = numpy_type_to_ctype[a.dtype.type] 
    7030 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7031  
    7032 Error processing trigger "coord update": 
    7033 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7034  
    7035 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7036 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7037 cty = numpy_type_to_ctype[a.dtype.type] 
    7038  
    7039 See log for complete Python traceback. 
    7040  
    7041 Traceback (most recent call last): 
    7042 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7044 return self._func(self._name, data) 
    7045 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7046 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7047 _push_coords_to_sim 
    7048 self.thread_handler.coords = self._pending_coords 
    7049 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7050 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7051 f(self._c_pointer, n, pointer(coords)) 
    7052 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7053 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7054 cty = numpy_type_to_ctype[a.dtype.type] 
    7055 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7056  
    7057 Error processing trigger "coord update": 
    7058 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7059  
    7060 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7061 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7062 cty = numpy_type_to_ctype[a.dtype.type] 
    7063  
    7064 See log for complete Python traceback. 
    7065  
    7066 Traceback (most recent call last): 
    7067 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7069 return self._func(self._name, data) 
    7070 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7071 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7072 _push_coords_to_sim 
    7073 self.thread_handler.coords = self._pending_coords 
    7074 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7075 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7076 f(self._c_pointer, n, pointer(coords)) 
    7077 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7078 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7079 cty = numpy_type_to_ctype[a.dtype.type] 
    7080 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7081  
    7082 Error processing trigger "coord update": 
    7083 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7084  
    7085 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7086 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7087 cty = numpy_type_to_ctype[a.dtype.type] 
    7088  
    7089 See log for complete Python traceback. 
    7090  
    7091 Traceback (most recent call last): 
    7092 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7094 return self._func(self._name, data) 
    7095 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7096 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7097 _push_coords_to_sim 
    7098 self.thread_handler.coords = self._pending_coords 
    7099 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7100 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7101 f(self._c_pointer, n, pointer(coords)) 
    7102 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7103 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7104 cty = numpy_type_to_ctype[a.dtype.type] 
    7105 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7106  
    7107 Error processing trigger "coord update": 
    7108 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7109  
    7110 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7111 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7112 cty = numpy_type_to_ctype[a.dtype.type] 
    7113  
    7114 See log for complete Python traceback. 
    7115  
    7116 Traceback (most recent call last): 
    7117 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7119 return self._func(self._name, data) 
    7120 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7121 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7122 _push_coords_to_sim 
    7123 self.thread_handler.coords = self._pending_coords 
    7124 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7125 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7126 f(self._c_pointer, n, pointer(coords)) 
    7127 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7128 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7129 cty = numpy_type_to_ctype[a.dtype.type] 
    7130 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7131  
    7132 Error processing trigger "coord update": 
    7133 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7134  
    7135 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7136 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7137 cty = numpy_type_to_ctype[a.dtype.type] 
    7138  
    7139 See log for complete Python traceback. 
    7140  
    7141 Traceback (most recent call last): 
    7142 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7144 return self._func(self._name, data) 
    7145 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7146 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7147 _push_coords_to_sim 
    7148 self.thread_handler.coords = self._pending_coords 
    7149 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7150 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7151 f(self._c_pointer, n, pointer(coords)) 
    7152 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7153 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7154 cty = numpy_type_to_ctype[a.dtype.type] 
    7155 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7156  
    7157 Error processing trigger "coord update": 
    7158 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7159  
    7160 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7161 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7162 cty = numpy_type_to_ctype[a.dtype.type] 
    7163  
    7164 See log for complete Python traceback. 
    7165  
    7166 Traceback (most recent call last): 
    7167 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7169 return self._func(self._name, data) 
    7170 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7171 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7172 _push_coords_to_sim 
    7173 self.thread_handler.coords = self._pending_coords 
    7174 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7175 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7176 f(self._c_pointer, n, pointer(coords)) 
    7177 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7178 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7179 cty = numpy_type_to_ctype[a.dtype.type] 
    7180 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7181  
    7182 Error processing trigger "coord update": 
    7183 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7184  
    7185 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7186 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7187 cty = numpy_type_to_ctype[a.dtype.type] 
    7188  
    7189 See log for complete Python traceback. 
    7190  
    7191 Traceback (most recent call last): 
    7192 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7194 return self._func(self._name, data) 
    7195 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7196 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7197 _push_coords_to_sim 
    7198 self.thread_handler.coords = self._pending_coords 
    7199 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7200 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7201 f(self._c_pointer, n, pointer(coords)) 
    7202 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7203 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7204 cty = numpy_type_to_ctype[a.dtype.type] 
    7205 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7206  
    7207 Error processing trigger "coord update": 
    7208 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7209  
    7210 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7211 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7212 cty = numpy_type_to_ctype[a.dtype.type] 
    7213  
    7214 See log for complete Python traceback. 
    7215  
    7216 Traceback (most recent call last): 
    7217 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7219 return self._func(self._name, data) 
    7220 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7221 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7222 _push_coords_to_sim 
    7223 self.thread_handler.coords = self._pending_coords 
    7224 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7225 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7226 f(self._c_pointer, n, pointer(coords)) 
    7227 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7228 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7229 cty = numpy_type_to_ctype[a.dtype.type] 
    7230 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7231  
    7232 Error processing trigger "coord update": 
    7233 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7234  
    7235 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7236 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7237 cty = numpy_type_to_ctype[a.dtype.type] 
    7238  
    7239 See log for complete Python traceback. 
    7240  
    7241 Traceback (most recent call last): 
    7242 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7244 return self._func(self._name, data) 
    7245 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7246 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7247 _push_coords_to_sim 
    7248 self.thread_handler.coords = self._pending_coords 
    7249 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7250 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7251 f(self._c_pointer, n, pointer(coords)) 
    7252 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7253 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7254 cty = numpy_type_to_ctype[a.dtype.type] 
    7255 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7256  
    7257 Error processing trigger "coord update": 
    7258 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7259  
    7260 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7261 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7262 cty = numpy_type_to_ctype[a.dtype.type] 
    7263  
    7264 See log for complete Python traceback. 
    7265  
    7266 Traceback (most recent call last): 
    7267 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7269 return self._func(self._name, data) 
    7270 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7271 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7272 _push_coords_to_sim 
    7273 self.thread_handler.coords = self._pending_coords 
    7274 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7275 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7276 f(self._c_pointer, n, pointer(coords)) 
    7277 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7278 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7279 cty = numpy_type_to_ctype[a.dtype.type] 
    7280 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7281  
    7282 Error processing trigger "coord update": 
    7283 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7284  
    7285 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7286 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7287 cty = numpy_type_to_ctype[a.dtype.type] 
    7288  
    7289 See log for complete Python traceback. 
    7290  
    7291 Traceback (most recent call last): 
    7292 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7294 return self._func(self._name, data) 
    7295 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7296 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7297 _push_coords_to_sim 
    7298 self.thread_handler.coords = self._pending_coords 
    7299 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7300 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7301 f(self._c_pointer, n, pointer(coords)) 
    7302 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7303 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7304 cty = numpy_type_to_ctype[a.dtype.type] 
    7305 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7306  
    7307 Error processing trigger "coord update": 
    7308 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7309  
    7310 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7311 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7312 cty = numpy_type_to_ctype[a.dtype.type] 
    7313  
    7314 See log for complete Python traceback. 
    7315  
    7316 Traceback (most recent call last): 
    7317 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7319 return self._func(self._name, data) 
    7320 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7321 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7322 _push_coords_to_sim 
    7323 self.thread_handler.coords = self._pending_coords 
    7324 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7325 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7326 f(self._c_pointer, n, pointer(coords)) 
    7327 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7328 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7329 cty = numpy_type_to_ctype[a.dtype.type] 
    7330 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7331  
    7332 Error processing trigger "coord update": 
    7333 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7334  
    7335 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7336 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7337 cty = numpy_type_to_ctype[a.dtype.type] 
    7338  
    7339 See log for complete Python traceback. 
    7340  
    7341 Traceback (most recent call last): 
    7342 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7343 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7344 return self._func(self._name, data) 
    7345 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7346 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7347 _push_coords_to_sim 
    7348 self.thread_handler.coords = self._pending_coords 
    7349 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7350 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7351 f(self._c_pointer, n, pointer(coords)) 
    7352 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7353 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7354 cty = numpy_type_to_ctype[a.dtype.type] 
    7355 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7356  
    7357 Error processing trigger "coord update": 
    7358 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7359  
    7360 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7361 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7362 cty = numpy_type_to_ctype[a.dtype.type] 
    7363  
    7364 See log for complete Python traceback. 
    7365  
    7366 Traceback (most recent call last): 
    7367 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7368 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7369 return self._func(self._name, data) 
    7370 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7371 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7372 _push_coords_to_sim 
    7373 self.thread_handler.coords = self._pending_coords 
    7374 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7375 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7376 f(self._c_pointer, n, pointer(coords)) 
    7377 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7378 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7379 cty = numpy_type_to_ctype[a.dtype.type] 
    7380 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7381  
    7382 Error processing trigger "coord update": 
    7383 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7384  
    7385 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7386 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7387 cty = numpy_type_to_ctype[a.dtype.type] 
    7388  
    7389 See log for complete Python traceback. 
    7390  
    7391 Traceback (most recent call last): 
    7392 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7393 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7394 return self._func(self._name, data) 
    7395 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7396 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7397 _push_coords_to_sim 
    7398 self.thread_handler.coords = self._pending_coords 
    7399 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7400 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7401 f(self._c_pointer, n, pointer(coords)) 
    7402 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7403 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7404 cty = numpy_type_to_ctype[a.dtype.type] 
    7405 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7406  
    7407 Error processing trigger "coord update": 
    7408 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7409  
    7410 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7411 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7412 cty = numpy_type_to_ctype[a.dtype.type] 
    7413  
    7414 See log for complete Python traceback. 
    7415  
    7416 Traceback (most recent call last): 
    7417 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7418 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7419 return self._func(self._name, data) 
    7420 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7421 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7422 _push_coords_to_sim 
    7423 self.thread_handler.coords = self._pending_coords 
    7424 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7425 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7426 f(self._c_pointer, n, pointer(coords)) 
    7427 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7428 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7429 cty = numpy_type_to_ctype[a.dtype.type] 
    7430 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7431  
    7432 Error processing trigger "coord update": 
    7433 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7434  
    7435 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7436 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7437 cty = numpy_type_to_ctype[a.dtype.type] 
    7438  
    7439 See log for complete Python traceback. 
    7440  
    7441 Traceback (most recent call last): 
    7442 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7443 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7444 return self._func(self._name, data) 
    7445 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7446 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7447 _push_coords_to_sim 
    7448 self.thread_handler.coords = self._pending_coords 
    7449 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7450 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7451 f(self._c_pointer, n, pointer(coords)) 
    7452 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7453 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7454 cty = numpy_type_to_ctype[a.dtype.type] 
    7455 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7456  
    7457 Error processing trigger "coord update": 
    7458 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7459  
    7460 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7461 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7462 cty = numpy_type_to_ctype[a.dtype.type] 
    7463  
    7464 See log for complete Python traceback. 
    7465  
    7466 Traceback (most recent call last): 
    7467 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7468 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7469 return self._func(self._name, data) 
    7470 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7471 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7472 _push_coords_to_sim 
    7473 self.thread_handler.coords = self._pending_coords 
    7474 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7475 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7476 f(self._c_pointer, n, pointer(coords)) 
    7477 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7478 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7479 cty = numpy_type_to_ctype[a.dtype.type] 
    7480 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7481  
    7482 Error processing trigger "coord update": 
    7483 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7484  
    7485 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7486 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7487 cty = numpy_type_to_ctype[a.dtype.type] 
    7488  
    7489 See log for complete Python traceback. 
    7490  
    7491 Traceback (most recent call last): 
    7492 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7493 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7494 return self._func(self._name, data) 
    7495 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7496 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7497 _push_coords_to_sim 
    7498 self.thread_handler.coords = self._pending_coords 
    7499 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7500 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7501 f(self._c_pointer, n, pointer(coords)) 
    7502 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7503 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7504 cty = numpy_type_to_ctype[a.dtype.type] 
    7505 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7506  
    7507 Error processing trigger "coord update": 
    7508 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7509  
    7510 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7511 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7512 cty = numpy_type_to_ctype[a.dtype.type] 
    7513  
    7514 See log for complete Python traceback. 
    7515  
    7516 Traceback (most recent call last): 
    7517 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7518 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7519 return self._func(self._name, data) 
    7520 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7521 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7522 _push_coords_to_sim 
    7523 self.thread_handler.coords = self._pending_coords 
    7524 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7525 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7526 f(self._c_pointer, n, pointer(coords)) 
    7527 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7528 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7529 cty = numpy_type_to_ctype[a.dtype.type] 
    7530 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7531  
    7532 Error processing trigger "coord update": 
    7533 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7534  
    7535 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7536 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7537 cty = numpy_type_to_ctype[a.dtype.type] 
    7538  
    7539 See log for complete Python traceback. 
    7540  
    7541 Traceback (most recent call last): 
    7542 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7543 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7544 return self._func(self._name, data) 
    7545 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7546 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7547 _push_coords_to_sim 
    7548 self.thread_handler.coords = self._pending_coords 
    7549 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7550 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7551 f(self._c_pointer, n, pointer(coords)) 
    7552 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7553 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7554 cty = numpy_type_to_ctype[a.dtype.type] 
    7555 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7556  
    7557 Error processing trigger "coord update": 
    7558 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7559  
    7560 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7561 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7562 cty = numpy_type_to_ctype[a.dtype.type] 
    7563  
    7564 See log for complete Python traceback. 
    7565  
    7566 Traceback (most recent call last): 
    7567 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7568 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7569 return self._func(self._name, data) 
    7570 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7571 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7572 _push_coords_to_sim 
    7573 self.thread_handler.coords = self._pending_coords 
    7574 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7575 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7576 f(self._c_pointer, n, pointer(coords)) 
    7577 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7578 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7579 cty = numpy_type_to_ctype[a.dtype.type] 
    7580 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7581  
    7582 Error processing trigger "coord update": 
    7583 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7584  
    7585 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7586 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7587 cty = numpy_type_to_ctype[a.dtype.type] 
    7588  
    7589 See log for complete Python traceback. 
    7590  
    7591 Traceback (most recent call last): 
    7592 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7593 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7594 return self._func(self._name, data) 
    7595 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7596 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7597 _push_coords_to_sim 
    7598 self.thread_handler.coords = self._pending_coords 
    7599 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7600 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7601 f(self._c_pointer, n, pointer(coords)) 
    7602 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7603 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7604 cty = numpy_type_to_ctype[a.dtype.type] 
    7605 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7606  
    7607 Error processing trigger "coord update": 
    7608 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7609  
    7610 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7611 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7612 cty = numpy_type_to_ctype[a.dtype.type] 
    7613  
    7614 See log for complete Python traceback. 
    7615  
    7616 Traceback (most recent call last): 
    7617 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7618 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7619 return self._func(self._name, data) 
    7620 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7621 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7622 _push_coords_to_sim 
    7623 self.thread_handler.coords = self._pending_coords 
    7624 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7625 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7626 f(self._c_pointer, n, pointer(coords)) 
    7627 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7628 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7629 cty = numpy_type_to_ctype[a.dtype.type] 
    7630 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7631  
    7632 Error processing trigger "coord update": 
    7633 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7634  
    7635 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7636 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7637 cty = numpy_type_to_ctype[a.dtype.type] 
    7638  
    7639 See log for complete Python traceback. 
    7640  
    7641 Traceback (most recent call last): 
    7642 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7643 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7644 return self._func(self._name, data) 
    7645 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7646 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7647 _push_coords_to_sim 
    7648 self.thread_handler.coords = self._pending_coords 
    7649 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7650 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7651 f(self._c_pointer, n, pointer(coords)) 
    7652 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7653 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7654 cty = numpy_type_to_ctype[a.dtype.type] 
    7655 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7656  
    7657 Error processing trigger "coord update": 
    7658 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7659  
    7660 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7661 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7662 cty = numpy_type_to_ctype[a.dtype.type] 
    7663  
    7664 See log for complete Python traceback. 
    7665  
    7666 Traceback (most recent call last): 
    7667 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7668 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7669 return self._func(self._name, data) 
    7670 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7671 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7672 _push_coords_to_sim 
    7673 self.thread_handler.coords = self._pending_coords 
    7674 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7675 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7676 f(self._c_pointer, n, pointer(coords)) 
    7677 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7678 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7679 cty = numpy_type_to_ctype[a.dtype.type] 
    7680 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7681  
    7682 Error processing trigger "coord update": 
    7683 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7684  
    7685 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7686 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7687 cty = numpy_type_to_ctype[a.dtype.type] 
    7688  
    7689 See log for complete Python traceback. 
    7690  
    7691 Traceback (most recent call last): 
    7692 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7693 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7694 return self._func(self._name, data) 
    7695 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7696 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7697 _push_coords_to_sim 
    7698 self.thread_handler.coords = self._pending_coords 
    7699 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7700 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7701 f(self._c_pointer, n, pointer(coords)) 
    7702 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7703 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7704 cty = numpy_type_to_ctype[a.dtype.type] 
    7705 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7706  
    7707 Error processing trigger "coord update": 
    7708 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7709  
    7710 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7711 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7712 cty = numpy_type_to_ctype[a.dtype.type] 
    7713  
    7714 See log for complete Python traceback. 
    7715  
    7716 Traceback (most recent call last): 
    7717 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7718 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7719 return self._func(self._name, data) 
    7720 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7721 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7722 _push_coords_to_sim 
    7723 self.thread_handler.coords = self._pending_coords 
    7724 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7725 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7726 f(self._c_pointer, n, pointer(coords)) 
    7727 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7728 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7729 cty = numpy_type_to_ctype[a.dtype.type] 
    7730 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7731  
    7732 Error processing trigger "coord update": 
    7733 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7734  
    7735 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7736 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7737 cty = numpy_type_to_ctype[a.dtype.type] 
    7738  
    7739 See log for complete Python traceback. 
    7740  
    7741 Traceback (most recent call last): 
    7742 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7743 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7744 return self._func(self._name, data) 
    7745 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7746 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7747 _push_coords_to_sim 
    7748 self.thread_handler.coords = self._pending_coords 
    7749 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7750 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7751 f(self._c_pointer, n, pointer(coords)) 
    7752 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7753 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7754 cty = numpy_type_to_ctype[a.dtype.type] 
    7755 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7756  
    7757 Error processing trigger "coord update": 
    7758 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7759  
    7760 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7761 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7762 cty = numpy_type_to_ctype[a.dtype.type] 
    7763  
    7764 See log for complete Python traceback. 
    7765  
    7766 Traceback (most recent call last): 
    7767 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7768 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7769 return self._func(self._name, data) 
    7770 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7771 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7772 _push_coords_to_sim 
    7773 self.thread_handler.coords = self._pending_coords 
    7774 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7775 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7776 f(self._c_pointer, n, pointer(coords)) 
    7777 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7778 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7779 cty = numpy_type_to_ctype[a.dtype.type] 
    7780 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7781  
    7782 Error processing trigger "coord update": 
    7783 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7784  
    7785 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7786 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7787 cty = numpy_type_to_ctype[a.dtype.type] 
    7788  
    7789 See log for complete Python traceback. 
    7790  
    7791 Traceback (most recent call last): 
    7792 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7793 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7794 return self._func(self._name, data) 
    7795 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7796 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7797 _push_coords_to_sim 
    7798 self.thread_handler.coords = self._pending_coords 
    7799 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7800 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7801 f(self._c_pointer, n, pointer(coords)) 
    7802 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7803 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7804 cty = numpy_type_to_ctype[a.dtype.type] 
    7805 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7806  
    7807 Error processing trigger "coord update": 
    7808 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7809  
    7810 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7811 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7812 cty = numpy_type_to_ctype[a.dtype.type] 
    7813  
    7814 See log for complete Python traceback. 
    7815  
    7816 Traceback (most recent call last): 
    7817 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7818 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7819 return self._func(self._name, data) 
    7820 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7821 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7822 _push_coords_to_sim 
    7823 self.thread_handler.coords = self._pending_coords 
    7824 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7825 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7826 f(self._c_pointer, n, pointer(coords)) 
    7827 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7828 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7829 cty = numpy_type_to_ctype[a.dtype.type] 
    7830 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7831  
    7832 Error processing trigger "coord update": 
    7833 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7834  
    7835 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7836 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7837 cty = numpy_type_to_ctype[a.dtype.type] 
    7838  
    7839 See log for complete Python traceback. 
    7840  
    7841 Traceback (most recent call last): 
    7842 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7843 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7844 return self._func(self._name, data) 
    7845 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7846 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7847 _push_coords_to_sim 
    7848 self.thread_handler.coords = self._pending_coords 
    7849 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7850 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7851 f(self._c_pointer, n, pointer(coords)) 
    7852 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7853 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7854 cty = numpy_type_to_ctype[a.dtype.type] 
    7855 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7856  
    7857 Error processing trigger "coord update": 
    7858 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7859  
    7860 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7861 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7862 cty = numpy_type_to_ctype[a.dtype.type] 
    7863  
    7864 See log for complete Python traceback. 
    7865  
    7866 Traceback (most recent call last): 
    7867 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7868 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7869 return self._func(self._name, data) 
    7870 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7871 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7872 _push_coords_to_sim 
    7873 self.thread_handler.coords = self._pending_coords 
    7874 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7875 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7876 f(self._c_pointer, n, pointer(coords)) 
    7877 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7878 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7879 cty = numpy_type_to_ctype[a.dtype.type] 
    7880 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7881  
    7882 Error processing trigger "coord update": 
    7883 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7884  
    7885 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7886 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7887 cty = numpy_type_to_ctype[a.dtype.type] 
    7888  
    7889 See log for complete Python traceback. 
    7890  
    7891 Traceback (most recent call last): 
    7892 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7893 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7894 return self._func(self._name, data) 
    7895 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7896 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7897 _push_coords_to_sim 
    7898 self.thread_handler.coords = self._pending_coords 
    7899 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7900 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7901 f(self._c_pointer, n, pointer(coords)) 
    7902 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7903 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7904 cty = numpy_type_to_ctype[a.dtype.type] 
    7905 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7906  
    7907 Error processing trigger "coord update": 
    7908 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7909  
    7910 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7911 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7912 cty = numpy_type_to_ctype[a.dtype.type] 
    7913  
    7914 See log for complete Python traceback. 
    7915  
    7916 Traceback (most recent call last): 
    7917 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7918 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7919 return self._func(self._name, data) 
    7920 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7921 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7922 _push_coords_to_sim 
    7923 self.thread_handler.coords = self._pending_coords 
    7924 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7925 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7926 f(self._c_pointer, n, pointer(coords)) 
    7927 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7928 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7929 cty = numpy_type_to_ctype[a.dtype.type] 
    7930 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7931  
    7932 Error processing trigger "coord update": 
    7933 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7934  
    7935 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7936 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7937 cty = numpy_type_to_ctype[a.dtype.type] 
    7938  
    7939 See log for complete Python traceback. 
    7940  
    7941 Traceback (most recent call last): 
    7942 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7943 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7944 return self._func(self._name, data) 
    7945 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7946 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7947 _push_coords_to_sim 
    7948 self.thread_handler.coords = self._pending_coords 
    7949 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7950 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7951 f(self._c_pointer, n, pointer(coords)) 
    7952 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7953 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7954 cty = numpy_type_to_ctype[a.dtype.type] 
    7955 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7956  
    7957 Error processing trigger "coord update": 
    7958 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7959  
    7960 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7961 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7962 cty = numpy_type_to_ctype[a.dtype.type] 
    7963  
    7964 See log for complete Python traceback. 
    7965  
    7966 Traceback (most recent call last): 
    7967 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7968 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7969 return self._func(self._name, data) 
    7970 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7971 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7972 _push_coords_to_sim 
    7973 self.thread_handler.coords = self._pending_coords 
    7974 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7975 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    7976 f(self._c_pointer, n, pointer(coords)) 
    7977 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7978 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7979 cty = numpy_type_to_ctype[a.dtype.type] 
    7980 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7981  
    7982 Error processing trigger "coord update": 
    7983 AttributeError: 'NoneType' object has no attribute 'dtype' 
    7984  
    7985 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7986 packages/chimerax/atomic/molc.py", line 320, in pointer 
    7987 cty = numpy_type_to_ctype[a.dtype.type] 
    7988  
    7989 See log for complete Python traceback. 
    7990  
    7991 Traceback (most recent call last): 
    7992 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    7993 packages/chimerax/core/triggerset.py", line 130, in invoke 
    7994 return self._func(self._name, data) 
    7995 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    7996 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    7997 _push_coords_to_sim 
    7998 self.thread_handler.coords = self._pending_coords 
    7999 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8000 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8001 f(self._c_pointer, n, pointer(coords)) 
    8002 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8003 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8004 cty = numpy_type_to_ctype[a.dtype.type] 
    8005 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8006  
    8007 Error processing trigger "coord update": 
    8008 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8009  
    8010 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8011 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8012 cty = numpy_type_to_ctype[a.dtype.type] 
    8013  
    8014 See log for complete Python traceback. 
    8015  
    8016 Traceback (most recent call last): 
    8017 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8018 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8019 return self._func(self._name, data) 
    8020 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8021 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8022 _push_coords_to_sim 
    8023 self.thread_handler.coords = self._pending_coords 
    8024 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8025 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8026 f(self._c_pointer, n, pointer(coords)) 
    8027 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8028 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8029 cty = numpy_type_to_ctype[a.dtype.type] 
    8030 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8031  
    8032 Error processing trigger "coord update": 
    8033 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8034  
    8035 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8036 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8037 cty = numpy_type_to_ctype[a.dtype.type] 
    8038  
    8039 See log for complete Python traceback. 
    8040  
    8041 Traceback (most recent call last): 
    8042 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8043 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8044 return self._func(self._name, data) 
    8045 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8046 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8047 _push_coords_to_sim 
    8048 self.thread_handler.coords = self._pending_coords 
    8049 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8050 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8051 f(self._c_pointer, n, pointer(coords)) 
    8052 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8053 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8054 cty = numpy_type_to_ctype[a.dtype.type] 
    8055 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8056  
    8057 Error processing trigger "coord update": 
    8058 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8059  
    8060 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8061 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8062 cty = numpy_type_to_ctype[a.dtype.type] 
    8063  
    8064 See log for complete Python traceback. 
    8065  
    8066 Traceback (most recent call last): 
    8067 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8068 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8069 return self._func(self._name, data) 
    8070 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8071 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8072 _push_coords_to_sim 
    8073 self.thread_handler.coords = self._pending_coords 
    8074 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8075 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8076 f(self._c_pointer, n, pointer(coords)) 
    8077 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8078 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8079 cty = numpy_type_to_ctype[a.dtype.type] 
    8080 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8081  
    8082 Error processing trigger "coord update": 
    8083 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8084  
    8085 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8086 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8087 cty = numpy_type_to_ctype[a.dtype.type] 
    8088  
    8089 See log for complete Python traceback. 
    8090  
    8091 Traceback (most recent call last): 
    8092 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8093 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8094 return self._func(self._name, data) 
    8095 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8096 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8097 _push_coords_to_sim 
    8098 self.thread_handler.coords = self._pending_coords 
    8099 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8100 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8101 f(self._c_pointer, n, pointer(coords)) 
    8102 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8103 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8104 cty = numpy_type_to_ctype[a.dtype.type] 
    8105 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8106  
    8107 Error processing trigger "coord update": 
    8108 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8109  
    8110 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8111 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8112 cty = numpy_type_to_ctype[a.dtype.type] 
    8113  
    8114 See log for complete Python traceback. 
    8115  
    8116 Traceback (most recent call last): 
    8117 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8118 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8119 return self._func(self._name, data) 
    8120 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8121 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8122 _push_coords_to_sim 
    8123 self.thread_handler.coords = self._pending_coords 
    8124 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8125 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8126 f(self._c_pointer, n, pointer(coords)) 
    8127 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8128 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8129 cty = numpy_type_to_ctype[a.dtype.type] 
    8130 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8131  
    8132 Error processing trigger "coord update": 
    8133 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8134  
    8135 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8136 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8137 cty = numpy_type_to_ctype[a.dtype.type] 
    8138  
    8139 See log for complete Python traceback. 
    8140  
    8141 Traceback (most recent call last): 
    8142 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8143 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8144 return self._func(self._name, data) 
    8145 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8146 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8147 _push_coords_to_sim 
    8148 self.thread_handler.coords = self._pending_coords 
    8149 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8150 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8151 f(self._c_pointer, n, pointer(coords)) 
    8152 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8153 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8154 cty = numpy_type_to_ctype[a.dtype.type] 
    8155 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8156  
    8157 Error processing trigger "coord update": 
    8158 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8159  
    8160 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8161 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8162 cty = numpy_type_to_ctype[a.dtype.type] 
    8163  
    8164 See log for complete Python traceback. 
    8165  
    8166 Traceback (most recent call last): 
    8167 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8168 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8169 return self._func(self._name, data) 
    8170 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8171 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8172 _push_coords_to_sim 
    8173 self.thread_handler.coords = self._pending_coords 
    8174 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8175 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8176 f(self._c_pointer, n, pointer(coords)) 
    8177 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8178 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8179 cty = numpy_type_to_ctype[a.dtype.type] 
    8180 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8181  
    8182 Error processing trigger "coord update": 
    8183 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8184  
    8185 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8186 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8187 cty = numpy_type_to_ctype[a.dtype.type] 
    8188  
    8189 See log for complete Python traceback. 
    8190  
    8191 Traceback (most recent call last): 
    8192 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8193 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8194 return self._func(self._name, data) 
    8195 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8196 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8197 _push_coords_to_sim 
    8198 self.thread_handler.coords = self._pending_coords 
    8199 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8200 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8201 f(self._c_pointer, n, pointer(coords)) 
    8202 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8203 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8204 cty = numpy_type_to_ctype[a.dtype.type] 
    8205 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8206  
    8207 Error processing trigger "coord update": 
    8208 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8209  
    8210 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8211 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8212 cty = numpy_type_to_ctype[a.dtype.type] 
    8213  
    8214 See log for complete Python traceback. 
    8215  
    8216 Traceback (most recent call last): 
    8217 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8218 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8219 return self._func(self._name, data) 
    8220 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8221 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8222 _push_coords_to_sim 
    8223 self.thread_handler.coords = self._pending_coords 
    8224 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8225 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8226 f(self._c_pointer, n, pointer(coords)) 
    8227 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8228 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8229 cty = numpy_type_to_ctype[a.dtype.type] 
    8230 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8231  
    8232 Error processing trigger "coord update": 
    8233 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8234  
    8235 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8236 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8237 cty = numpy_type_to_ctype[a.dtype.type] 
    8238  
    8239 See log for complete Python traceback. 
    8240  
    8241 Traceback (most recent call last): 
    8242 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8243 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8244 return self._func(self._name, data) 
    8245 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8246 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8247 _push_coords_to_sim 
    8248 self.thread_handler.coords = self._pending_coords 
    8249 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8250 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8251 f(self._c_pointer, n, pointer(coords)) 
    8252 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8253 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8254 cty = numpy_type_to_ctype[a.dtype.type] 
    8255 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8256  
    8257 Error processing trigger "coord update": 
    8258 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8259  
    8260 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8261 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8262 cty = numpy_type_to_ctype[a.dtype.type] 
    8263  
    8264 See log for complete Python traceback. 
    8265  
    8266 Traceback (most recent call last): 
    8267 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8268 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8269 return self._func(self._name, data) 
    8270 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8271 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8272 _push_coords_to_sim 
    8273 self.thread_handler.coords = self._pending_coords 
    8274 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8275 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8276 f(self._c_pointer, n, pointer(coords)) 
    8277 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8278 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8279 cty = numpy_type_to_ctype[a.dtype.type] 
    8280 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8281  
    8282 Error processing trigger "coord update": 
    8283 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8284  
    8285 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8286 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8287 cty = numpy_type_to_ctype[a.dtype.type] 
    8288  
    8289 See log for complete Python traceback. 
    8290  
    8291 Traceback (most recent call last): 
    8292 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8293 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8294 return self._func(self._name, data) 
    8295 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8296 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8297 _push_coords_to_sim 
    8298 self.thread_handler.coords = self._pending_coords 
    8299 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8300 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8301 f(self._c_pointer, n, pointer(coords)) 
    8302 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8303 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8304 cty = numpy_type_to_ctype[a.dtype.type] 
    8305 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8306  
    8307 Error processing trigger "coord update": 
    8308 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8309  
    8310 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8311 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8312 cty = numpy_type_to_ctype[a.dtype.type] 
    8313  
    8314 See log for complete Python traceback. 
    8315  
    8316 Traceback (most recent call last): 
    8317 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8318 packages/chimerax/core/triggerset.py", line 130, in invoke 
    8319 return self._func(self._name, data) 
    8320 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8321 packages/chimerax/isolde/openmm/openmm_interface.py", line 1650, in
    8322 _push_coords_to_sim 
    8323 self.thread_handler.coords = self._pending_coords 
    8324 File "/home/ym337/.local/share/ChimeraX/0.91/site-
    8325 packages/chimerax/isolde/openmm/openmm_interface.py", line 309, in coords 
    8326 f(self._c_pointer, n, pointer(coords)) 
    8327 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8328 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8329 cty = numpy_type_to_ctype[a.dtype.type] 
    8330 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8331  
    8332 Error processing trigger "coord update": 
    8333 AttributeError: 'NoneType' object has no attribute 'dtype' 
    8334  
    8335 File "/usr/mbu/software/chimerax/chimerax-2019.08.27/lib/python3.7/site-
    8336 packages/chimerax/atomic/molc.py", line 320, in pointer 
    8337 cty = numpy_type_to_ctype[a.dtype.type] 
    8338  
    8339 See log for complete Python traceback. 
    8340  
    8341469
    8342470