File→Open: unhashable type: 'set'

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Linux-4.15.0-62-generic-x86_64-with-debian-buster-sid
ChimeraX Version: 0.91 (2019-09-17)
Description
(Describe the actions that caused this problem to occur here)

Log:
UCSF ChimeraX version: 0.91 (2019-09-17)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  
Session data  
Command script  
Command script  
Command script  
Generic 3D objects  
Generic 3D objects  
Generic 3D objects  
Generic 3D objects  
Generic 3D objects  
Generic 3D objects  
Molecular trajectory  
Molecular trajectory  
Molecular trajectory  
Generic 3D objects  
Molecular structure  
Reflection data  
Molecular structure  
Sequence alignment  
Sequence alignment  
Sequence alignment  
Sequence alignment  
Sequence alignment  
Sequence alignment  
Sequence alignment  
Sequence alignment  
Documentation  
Generic 3D objects  
Molecular structure  
Volume data  
Molecule structure  
Molecule structure  
Generic 3D objects  
Higher-Order Structure  
Generic 3D objects  
set()  
Traceback (most recent call last):  
File "/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/ui/gui.py", line 862, in <lambda>  
open_action.triggered.connect(lambda arg, s=self, sess=session:
s.file_open_cb(sess))  
File "/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/ui/gui.py", line 571, in file_open_cb  
self.show_file_open_dialog(session)  
File "/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/ui/gui.py", line 579, in show_file_open_dialog  
filters = open_file_filter(all=True, format_name=format_name)  
File "/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/ui/open_save.py", line 138, in open_file_filter  
exts = combine.setdefault(fmt.category, [])  
TypeError: unhashable type: 'set'  
  
TypeError: unhashable type: 'set'  
  
File "/usr/lib/ucsf-chimerax-daily/lib/python3.7/site-
packages/chimerax/ui/open_save.py", line 138, in open_file_filter  
exts = combine.setdefault(fmt.category, [])  
  
See log for complete Python traceback.  
  




OpenGL version: 4.5 (Core Profile) Mesa 19.0.8
OpenGL renderer: Mesa DRI Intel(R) HD Graphics 5500 (Broadwell GT2) 
OpenGL vendor: Intel Open Source Technology Center

[Eric Pettersen]

duplicate of #2409