Help viewer: self.tabs.currentWidget() is None

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Linux-5.4.0-71-generic-x86_64-with-debian-bullseye-sid
ChimeraX Version: 1.1 (2020-09-09 22:22:27 UTC)
Description
(Describe the actions that caused this problem to occur here)

Log:
Startup Messages  
---  
note | available bundle cache has not been initialized yet  
  
UCSF ChimeraX version: 1.1 (2020-09-09)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  
Successfully installed ChimeraX-AddH-2.1.3 ChimeraX-Clipper-0.15.0 ChimeraX-
Maestro-1.8.1 ChimeraX-Phenix-0.1 MolecularDynamicsViewer-1.1  
Installed ChimeraX-AddH (2.1.3)  
Installed ChimeraX-Clipper (0.15.0)  
Installed ChimeraX-Maestro (1.8.1)  
Installed ChimeraX-Phenix (0.1)  
Installed MolecularDynamicsViewer (1.1)  

> fetch

Unknown command: fetch  

> toolshed show

Downloading bundle ChimeraX_ISOLDE-1.1.0-cp37-cp37m-linux_x86_64.whl  
Successfully installed ChimeraX-ISOLDE-1.1.0  
Installed ChimeraX-ISOLDE (1.1.0)  

> help help:user

> ui tool show "Side View"

> open 3w7f

Summary of feedback from opening 3w7f fetched from pdb  
---  
notes | Fetching compressed mmCIF 3w7f from
http://files.rcsb.org/download/3w7f.cif  
Fetching CCD FPS from http://ligand-expo.rcsb.org/reports/F/FPS/FPS.cif  
Fetching CCD MG from http://ligand-expo.rcsb.org/reports/M/MG/MG.cif  
  
3w7f title:  
Crystal structure of the C(30) carotenoid dehydrosqualene synthase from
staphylococcus aureus complexed with farnesyl thiopyrophosphate [more info...]  
  
Chain information for 3w7f #1  
---  
Chain | Description  
A B | Dehydrosqualene synthase  
  
Non-standard residues in 3w7f #1  
---  
FPS — S-[(2E,6E)-3,7,11-trimethyldodeca-2,6,10-trienyl] trihydrogen
thiodiphosphate (farnesyl thiopyrophosphate)  
MG — magnesium ion  
  
3w7f mmCIF Assemblies  
---  
1| author_and_software_defined_assembly  
2| author_and_software_defined_assembly  
  

> delete /b

> view ligand

> label ligand

> label height 1.0

> delete solvent

> label @@display

> select /A:21

6 atoms, 5 bonds, 1 residue, 1 model selected  

> select /A:21

6 atoms, 5 bonds, 1 residue, 1 model selected  

> distance

Missing or invalid "objects" argument: empty atom specifier  

> ui mousemode right distance

> select /A:21

6 atoms, 5 bonds, 1 residue, 1 model selected  

> ui mousemode right distance

> select /A:301@C14

1 atom, 1 residue, 1 model selected  

> ui mousemode right distance

> ui mousemode right distance

> ui mousemode right distance

> ui mousemode right distance

> ui mousemode right distance

> ui mousemode right distance

> ui mousemode right distance

> ui mousemode right distance

> ui mousemode right distance

> ui mousemode right distance

> distance :21@OG :302@O1B

Distance between /A SER 21 OG and FPS 302 O1B: 2.405Å  

> hide #!2 models

> show #!2 models

> hide #!2 models

> show #!2 models

> select #2

1 pseudobond, 2 models selected  

> ~select #2

Nothing selected  

> select #2

1 pseudobond, 2 models selected  

> hide #2.1 models

> show #2.1 models

> hide #!2 models

> show #!2 models

> hbonds

312 hydrogen bonds found  

> select :FPS

48 atoms, 46 bonds, 2 residues, 1 model selected  

> hbonds sel restrict cross reveal ture log ture

Invalid "reveal" argument: Expected true or false (or 1 or 0)  

> hbonds sel restrict cross reveal true log true
    
    
    Finding intermodel H-bonds
    Finding intramodel H-bonds
    Constraints relaxed by 0.4 angstroms and 20 degrees
    Models used:
    	1 3w7f
    
    13 H-bonds
    H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist):
    /A SER 19 OG    /A FPS 302 O2A  no hydrogen  2.886  N/A
    /A SER 21 N     /A FPS 302 O2B  no hydrogen  3.185  N/A
    /A SER 21 OG    /A FPS 302 O1B  no hydrogen  2.405  N/A
    /A SER 21 OG    /A FPS 302 O2B  no hydrogen  3.332  N/A
    /A TYR 41 OH    /A FPS 302 O2A  no hydrogen  2.585  N/A
    /A ARG 45 NH1   /A FPS 301 O2B  no hydrogen  3.428  N/A
    /A ARG 45 NH1   /A FPS 301 O3B  no hydrogen  2.585  N/A
    /A ARG 45 NH2   /A FPS 301 O2B  no hydrogen  3.175  N/A
    /A ARG 45 NH2   /A FPS 302 O1A  no hydrogen  3.052  N/A
    /A ARG 171 NH1  /A FPS 302 O1B  no hydrogen  2.685  N/A
    /A ARG 171 NH1  /A FPS 302 O3B  no hydrogen  3.412  N/A
    /A ARG 171 NH2  /A FPS 302 O3B  no hydrogen  3.129  N/A
    /A TYR 248 OH   /A FPS 302 O1B  no hydrogen  2.996  N/A
    

  
13 hydrogen bonds found  

> ui tool show H-Bonds

> hbonds sel restrict cross reveal true log true
    
    
    Finding intermodel H-bonds
    Finding intramodel H-bonds
    Constraints relaxed by 0.4 angstroms and 20 degrees
    Models used:
    	1 3w7f
    
    13 H-bonds
    H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist):
    /A SER 19 OG    /A FPS 302 O2A  no hydrogen  2.886  N/A
    /A SER 21 N     /A FPS 302 O2B  no hydrogen  3.185  N/A
    /A SER 21 OG    /A FPS 302 O1B  no hydrogen  2.405  N/A
    /A SER 21 OG    /A FPS 302 O2B  no hydrogen  3.332  N/A
    /A TYR 41 OH    /A FPS 302 O2A  no hydrogen  2.585  N/A
    /A ARG 45 NH1   /A FPS 301 O2B  no hydrogen  3.428  N/A
    /A ARG 45 NH1   /A FPS 301 O3B  no hydrogen  2.585  N/A
    /A ARG 45 NH2   /A FPS 301 O2B  no hydrogen  3.175  N/A
    /A ARG 45 NH2   /A FPS 302 O1A  no hydrogen  3.052  N/A
    /A ARG 171 NH1  /A FPS 302 O1B  no hydrogen  2.685  N/A
    /A ARG 171 NH1  /A FPS 302 O3B  no hydrogen  3.412  N/A
    /A ARG 171 NH2  /A FPS 302 O3B  no hydrogen  3.129  N/A
    /A TYR 248 OH   /A FPS 302 O1B  no hydrogen  2.996  N/A
    

  
13 hydrogen bonds found  

> hbonds sel restrict cross reveal true log true
    
    
    Finding intermodel H-bonds
    Finding intramodel H-bonds
    Constraints relaxed by 0.4 angstroms and 20 degrees
    Models used:
    	1 3w7f
    
    13 H-bonds
    H-bonds (donor, acceptor, hydrogen, D..A dist, D-H..A dist):
    /A SER 19 OG    /A FPS 302 O2A  no hydrogen  2.886  N/A
    /A SER 21 N     /A FPS 302 O2B  no hydrogen  3.185  N/A
    /A SER 21 OG    /A FPS 302 O1B  no hydrogen  2.405  N/A
    /A SER 21 OG    /A FPS 302 O2B  no hydrogen  3.332  N/A
    /A TYR 41 OH    /A FPS 302 O2A  no hydrogen  2.585  N/A
    /A ARG 45 NH1   /A FPS 301 O2B  no hydrogen  3.428  N/A
    /A ARG 45 NH1   /A FPS 301 O3B  no hydrogen  2.585  N/A
    /A ARG 45 NH2   /A FPS 301 O2B  no hydrogen  3.175  N/A
    /A ARG 45 NH2   /A FPS 302 O1A  no hydrogen  3.052  N/A
    /A ARG 171 NH1  /A FPS 302 O1B  no hydrogen  2.685  N/A
    /A ARG 171 NH1  /A FPS 302 O3B  no hydrogen  3.412  N/A
    /A ARG 171 NH2  /A FPS 302 O3B  no hydrogen  3.129  N/A
    /A TYR 248 OH   /A FPS 302 O1B  no hydrogen  2.996  N/A
    

  
13 hydrogen bonds found  

> ~hbonds

> ~distance

> ui tool show Clashes

> distance /A:41@OH /A:301@O1B

Distance between /A TYR 41 OH and FPS 301 O1B: 7.803Å  

> ~distance

> ~select

Nothing selected  

> contacts sel restrict cross reveal true log true select true

No atoms match given atom specifier  

> select :FPS301

Nothing selected  

> select :FPS301

Nothing selected  

> select :FPS

48 atoms, 46 bonds, 2 residues, 1 model selected  

> contacts sel restrict cross reveal true log true select true
    
    
    Allowed overlap: -0.4
    H-bond overlap reduction: 0.4
    Ignore contacts between atoms separated by 4 bonds or less
    Detect intra-residue contacts: False
    Detect intra-molecule contacts: True
    
    86 contacts
        atom1           atom2       overlap  distance
    /A FPS 301 C10  /A CYS 44 CB     0.472    3.288
    /A FPS 302 O2A  /A SER 19 CB     0.387    2.913
    /A FPS 301 PB   /A ARG 45 NH1    0.248    3.492
    /A FPS 302 O2A  /A SER 19 CA     0.242    3.058
    /A FPS 302 O1B  /A SER 21 CB     0.215    3.085
    /A FPS 302 C14  /A ALA 157 CB    0.208    3.552
    /A FPS 301 C7   /A CYS 44 CB     0.207    3.433
    /A FPS 302 C14  /A ALA 157 CA    0.191    3.569
    /A FPS 301 C6   /A ASP 48 CB     0.166    3.474
    /A FPS 301 C15  /A TYR 41 CD2    0.158    3.482
    /A FPS 301 O2A  /A MG 303 MG     0.156    1.834
    /A FPS 302 PB   /A ARG 171 NH1   0.139    3.601
    /A FPS 301 PA   /A ASN 168 ND2   0.116    3.624
    /A FPS 301 C14  /A LEU 141 CD1   0.106    3.654
    /A FPS 302 O1A  /A MG 304 MG     0.098    1.892
    /A FPS 301 C8   /A CYS 44 CB     0.097    3.393
    /A FPS 301 O2A  /A ASN 168 OD1   0.097    2.743
    /A FPS 301 O2A  /A ASP 172 OD2   0.088    2.752
    /A FPS 302 O1B  /A SER 21 OG     0.075    2.405
    /A FPS 301 O3B  /A ARG 45 NH1    0.075    2.585
    /A FPS 302 PB   /A SER 21 OG     0.073    3.487
    /A FPS 302 O3B  /A MG 304 MG     0.039    1.951
    /A FPS 301 C15  /A TYR 41 CE2    0.036    3.604
    /A FPS 302 C4   /A GLN 165 OE1   -0.007    3.307
    /A FPS 302 PA   /A ARG 45 NH2    -0.011    3.751
    /A FPS 301 C12  /A TYR 41 CD2    -0.015    3.535
    /A FPS 302 PB   /A SER 21 CB     -0.023    4.003
    /A FPS 302 O1B  /A ARG 171 NH1   -0.025    2.685
    /A FPS 302 C2   /A PHE 22 CE2    -0.038    3.558
    /A FPS 301 C12  /A VAL 137 CG1   -0.048    3.688
    /A FPS 301 O2B  /A MG 304 MG     -0.054    2.044
    /A FPS 301 C2   /A ASP 48 CG     -0.073    3.713
    /A FPS 302 C10  /A GLY 161 CA    -0.084    3.844
    /A FPS 301 C11  /A TYR 41 CD2    -0.091    3.611
    /A FPS 302 C5   /A ALA 134 CB    -0.095    3.855
    /A FPS 301 O1A  /A MG 304 MG     -0.097    2.087
    /A FPS 301 O3B  /A MG 305 MG     -0.103    2.093
    /A FPS 302 C5   /A LEU 164 CB    -0.104    3.864
    /A FPS 302 O2A  /A TYR 41 OH     -0.105    2.585
    /A FPS 301 O3B  /A ASP 48 OD2    -0.105    2.945
    /A FPS 301 C13  /A TYR 41 CD2    -0.106    3.476
    /A FPS 302 C15  /A LEU 145 CD1   -0.106    3.866
    /A FPS 301 C11  /A TYR 41 CE2    -0.107    3.627
    /A FPS 302 C12  /A LEU 160 CD2   -0.110    3.750
    /A FPS 301 C9   /A ARG 45 NH2    -0.149    3.669
    /A FPS 302 C11  /A LEU 164 CD1   -0.154    3.794
    /A FPS 301 C5   /A ASP 48 CG     -0.159    3.919
    /A FPS 302 C1   /A PHE 22 CE2    -0.161    3.681
    /A FPS 301 C9   /A TYR 41 CE2    -0.162    3.802
    /A FPS 302 C1   /A TYR 248 OH    -0.174    3.394
    /A FPS 301 C9   /A ARG 45 CA     -0.175    3.935
    /A FPS 302 C4   /A ASN 168 CB    -0.185    3.945
    /A FPS 302 PB   /A ARG 265 NH2   -0.191    3.931
    /A FPS 302 C14  /A PHE 233 CZ    -0.192    3.832
    /A FPS 302 C4   /A ASN 168 ND2   -0.193    3.713
    /A FPS 302 C15  /A LEU 141 CD1   -0.205    3.965
    /A FPS 302 C4   /A GLN 165 CA    -0.212    3.972
    /A FPS 301 C15  /A MET 15 CE     -0.215    3.975
    /A FPS 302 PA   /A SER 19 CB     -0.217    4.197
    /A FPS 302 O1B  /A TYR 248 CE2   -0.227    3.407
    /A FPS 302 C11  /A GLY 161 CA    -0.230    3.870
    /A FPS 302 C10  /A GLY 138 CA    -0.231    3.991
    /A FPS 302 PA   /A SER 19 CA     -0.232    4.212
    /A FPS 302 C12  /A GLY 138 CA    -0.237    3.877
    /A FPS 302 PA   /A SER 19 OG     -0.239    3.799
    /A FPS 301 C15  /A PHE 22 CD2    -0.249    3.889
    /A FPS 301 C5   /A ASP 48 CB     -0.250    4.010
    /A FPS 301 PA   /A ASN 168 OD1   -0.251    3.771
    /A FPS 302 PA   /A TYR 41 OH     -0.259    3.819
    /A FPS 302 C13  /A LEU 160 CD2   -0.264    3.754
    /A FPS 302 C15  /A LEU 160 CD2   -0.279    4.039
    /A FPS 301 C6   /A ASP 48 CG     -0.284    3.924
    /A FPS 301 C10  /A TYR 41 CD2    -0.296    3.936
    /A FPS 301 C9   /A ARG 45 CZ     -0.312    3.802
    /A FPS 302 C10  /A LEU 141 CD1   -0.317    4.077
    /A FPS 302 O2A  /A TYR 41 CE2    -0.327    3.507
    /A FPS 302 C7   /A ALA 134 CB    -0.333    3.973
    /A FPS 302 PB   /A TYR 248 OH    -0.356    3.916
    /A FPS 302 C10  /A GLY 138 N     -0.356    3.876
    /A FPS 301 O2A  /A ASN 168 CG    -0.361    3.391
    /A FPS 302 C7   /A GLY 161 CA    -0.379    4.019
    /A FPS 302 C14  /A PHE 233 CE1   -0.382    4.022
    /A FPS 302 O2A  /A HIS 18 O      -0.390    3.230
    /A FPS 302 C9   /A LEU 164 CD1   -0.390    4.150
    /A FPS 302 O1A  /A ARG 45 NH2    -0.392    3.052
    /A FPS 302 C6   /A ALA 134 CB    -0.396    4.036
    

  
86 contacts  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/help_viewer/tool.py", line 500, in tab_changed  
self.update_back_forward()  
File "/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/help_viewer/tool.py", line 533, in update_back_forward  
history = w.history()  
AttributeError: 'NoneType' object has no attribute 'history'  
  
AttributeError: 'NoneType' object has no attribute 'history'  
  
File "/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/help_viewer/tool.py", line 533, in update_back_forward  
history = w.history()  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/help_viewer/tool.py", line 511, in close_current_tab  
self.close_tab(i)  
File "/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/help_viewer/tool.py", line 506, in close_tab  
self.update_back_forward()  
File "/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/help_viewer/tool.py", line 533, in update_back_forward  
history = w.history()  
AttributeError: 'NoneType' object has no attribute 'history'  
  
AttributeError: 'NoneType' object has no attribute 'history'  
  
File "/usr/lib/ucsf-chimerax/lib/python3.7/site-
packages/chimerax/help_viewer/tool.py", line 533, in update_back_forward  
history = w.history()  
  
See log for complete Python traceback.  
  




OpenGL version: 3.3.0 NVIDIA 460.56
OpenGL renderer: GeForce GTX 1060 6GB/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation
Manufacturer: To Be Filled By O.E.M.
Model: To Be Filled By O.E.M.
OS: Ubuntu 20.04 focal
Architecture: 64bit ELF
CPU: 8 Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz
Cache Size: 8192 KB
Memory:
	              total        used        free      shared  buff/cache   available
	Mem:           31Gi       4.1Gi        15Gi       343Mi        11Gi        26Gi
	Swap:         2.0Gi          0B       2.0Gi

Graphics:
	01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GP106 [GeForce GTX 1060 6GB] [10de:1c03] (rev a1)	
	Subsystem: ZOTAC International (MCO) Ltd. GP106 [GeForce GTX 1060 6GB] [19da:1438]	
	Kernel driver in use: nvidia
PyQt version: 5.12.3
Compiled Qt version: 5.12.4
Runtime Qt version: 5.12.9
Installed Packages:
    alabaster: 0.7.12
    appdirs: 1.4.4
    Babel: 2.8.0
    backcall: 0.2.0
    blockdiag: 2.0.1
    certifi: 2020.6.20
    chardet: 3.0.4
    ChimeraX-AddH: 2.1.3
    ChimeraX-AlignmentAlgorithms: 2.0
    ChimeraX-AlignmentHdrs: 3.2
    ChimeraX-AlignmentMatrices: 2.0
    ChimeraX-Alignments: 2.1
    ChimeraX-Arrays: 1.0
    ChimeraX-Atomic: 1.6.1
    ChimeraX-AtomSearch: 2.0
    ChimeraX-AxesPlanes: 2.0
    ChimeraX-BasicActions: 1.1
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 1.0.1
    ChimeraX-BondRot: 2.0
    ChimeraX-BugReporter: 1.0
    ChimeraX-BuildStructure: 2.0
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.0
    ChimeraX-ButtonPanel: 1.0
    ChimeraX-CageBuilder: 1.0
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.1
    ChimeraX-ChemGroup: 2.0
    ChimeraX-Clashes: 2.0
    ChimeraX-Clipper: 0.15.0
    ChimeraX-ColorActions: 1.0
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-CommandLine: 1.1.3
    ChimeraX-ConnectStructure: 2.0
    ChimeraX-Contacts: 1.0
    ChimeraX-Core: 1.1
    ChimeraX-CoreFormats: 1.0
    ChimeraX-coulombic: 1.0.1
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-DataFormats: 1.0
    ChimeraX-Dicom: 1.0
    ChimeraX-DistMonitor: 1.1
    ChimeraX-DistUI: 1.0
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ExperimentalCommands: 1.0
    ChimeraX-FileHistory: 1.0
    ChimeraX-FunctionKey: 1.0
    ChimeraX-Geometry: 1.1
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.0
    ChimeraX-Hbonds: 2.0
    ChimeraX-Help: 1.0
    ChimeraX-HKCage: 1.0
    ChimeraX-IHM: 1.0
    ChimeraX-ImageFormats: 1.0
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0
    ChimeraX-ISOLDE: 1.1.0
    ChimeraX-Label: 1.0
    ChimeraX-LinuxSupport: 1.0
    ChimeraX-ListInfo: 1.0
    ChimeraX-Log: 1.1.1
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.8.1
    ChimeraX-Map: 1.0.1
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0
    ChimeraX-MapFilter: 2.0
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.0
    ChimeraX-Markers: 1.0
    ChimeraX-Mask: 1.0
    ChimeraX-MatchMaker: 1.1
    ChimeraX-MDcrds: 2.0
    ChimeraX-MedicalToolbar: 1.0.1
    ChimeraX-Meeting: 1.0
    ChimeraX-MLP: 1.0
    ChimeraX-mmCIF: 2.2
    ChimeraX-MMTF: 2.0
    ChimeraX-Modeller: 1.0
    ChimeraX-ModelPanel: 1.0
    ChimeraX-ModelSeries: 1.0
    ChimeraX-Mol2: 2.0
    ChimeraX-Morph: 1.0
    ChimeraX-MouseModes: 1.0
    ChimeraX-Movie: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nucleotides: 2.0
    ChimeraX-OpenCommand: 1.2.1
    ChimeraX-PDB: 2.1
    ChimeraX-PDBBio: 1.0
    ChimeraX-Phenix: 0.1
    ChimeraX-PickBlobs: 1.0
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.0
    ChimeraX-PubChem: 2.0
    ChimeraX-Read-Pbonds: 1.0
    ChimeraX-Registration: 1.1
    ChimeraX-RemoteControl: 1.0
    ChimeraX-ResidueFit: 1.0
    ChimeraX-RestServer: 1.0
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 2.0
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.2
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0
    ChimeraX-SeqView: 2.2
    ChimeraX-Shape: 1.0.1
    ChimeraX-Shell: 1.0
    ChimeraX-Shortcuts: 1.0
    ChimeraX-ShowAttr: 1.0
    ChimeraX-ShowSequences: 1.0
    ChimeraX-SideView: 1.0
    ChimeraX-Smiles: 2.0
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.0.4
    ChimeraX-STL: 1.0
    ChimeraX-Storm: 1.0
    ChimeraX-Struts: 1.0
    ChimeraX-Surface: 1.0
    ChimeraX-SwapAA: 2.0
    ChimeraX-SwapRes: 2.0
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.0
    ChimeraX-ToolshedUtils: 1.0
    ChimeraX-Tug: 1.0
    ChimeraX-UI: 1.2.3
    ChimeraX-uniprot: 2.0
    ChimeraX-ViewDockX: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0
    ChimeraX-WebServices: 1.0
    ChimeraX-Zone: 1.0
    colorama: 0.4.3
    comtypes: 1.1.7
    cxservices: 1.0
    cycler: 0.10.0
    Cython: 0.29.20
    decorator: 4.4.2
    distlib: 0.3.1
    distro: 1.5.0
    docutils: 0.16
    filelock: 3.0.12
    funcparserlib: 0.3.6
    grako: 3.16.5
    h5py: 2.10.0
    html2text: 2020.1.16
    idna: 2.10
    ihm: 0.16
    imagecodecs: 2020.5.30
    imagecodecs-lite: 2020.1.31
    imagesize: 1.2.0
    ipykernel: 5.3.0
    ipython: 7.15.0
    ipython-genutils: 0.2.0
    jedi: 0.17.2
    Jinja2: 2.11.2
    jupyter-client: 6.1.3
    jupyter-core: 4.6.3
    kiwisolver: 1.2.0
    line-profiler: 2.1.2
    lxml: 4.5.1
    MarkupSafe: 1.1.1
    matplotlib: 3.2.1
    MolecularDynamicsViewer: 1.1
    msgpack: 1.0.0
    netifaces: 0.10.9
    networkx: 2.4
    numexpr: 2.7.1
    numpy: 1.18.5
    numpydoc: 1.0.0
    openvr: 1.12.501
    packaging: 20.4
    parso: 0.7.1
    pexpect: 4.8.0
    pickleshare: 0.7.5
    Pillow: 7.1.2
    pip: 20.2.2
    pkginfo: 1.5.0.1
    prompt-toolkit: 3.0.7
    psutil: 5.7.0
    ptyprocess: 0.6.0
    pycollada: 0.7.1
    pydicom: 2.0.0
    Pygments: 2.6.1
    PyOpenGL: 3.1.5
    PyOpenGL-accelerate: 3.1.5
    pyparsing: 2.4.7
    PyQt5-commercial: 5.12.3
    PyQt5-sip: 4.19.19
    PyQtWebEngine-commercial: 5.12.1
    python-dateutil: 2.8.1
    pytz: 2020.1
    pyzmq: 19.0.2
    qtconsole: 4.7.4
    QtPy: 1.9.0
    RandomWords: 0.3.0
    requests: 2.24.0
    scipy: 1.4.1
    setuptools: 49.4.0
    sfftk-rw: 0.6.6.dev0
    six: 1.15.0
    snowballstemmer: 2.0.0
    sortedcontainers: 2.2.2
    Sphinx: 3.1.1
    sphinxcontrib-applehelp: 1.0.2
    sphinxcontrib-blockdiag: 2.0.0
    sphinxcontrib-devhelp: 1.0.2
    sphinxcontrib-htmlhelp: 1.0.3
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 1.0.3
    sphinxcontrib-serializinghtml: 1.1.4
    suds-jurko: 0.6
    tables: 3.6.1
    tifffile: 2020.6.3
    tinyarray: 1.2.2
    tornado: 6.0.4
    traitlets: 5.0.4
    urllib3: 1.25.10
    wcwidth: 0.2.5
    webcolors: 1.11.1
    wheel: 0.34.2