toolshed uninstall Toolbar → JSONDecodeError

[Greg Couch]

The following bug report has been submitted:
Platform:        Linux-4.15.0-45-generic-x86_64-with-debian-buster-sid
ChimeraX Version: 0.9 (2019-02-21)
Description
Tried to uninstall Toolbar tool.

Log:
UCSF ChimeraX version: 0.9 (2019-02-21)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> usage devel

Subcommands are:

  * devel alias
  * devel build
  * devel clean
  * devel dump
  * devel install
  * devel unalias

  

> usage toolshed

Subcommands are:

  * toolshed cache
  * toolshed hide
  * toolshed install
  * toolshed list
  * toolshed reload
  * toolshed show
  * toolshed uninstall
  * toolshed url

  

> toolshed uninstall Toolbar

Traceback (most recent call last):  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/metadata.py", line 730, in __init__  
self._data = json.loads(data)  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/json/__init__.py",
line 348, in loads  
return _default_decoder.decode(s)  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/json/decoder.py",
line 337, in decode  
obj, end = self.raw_decode(s, idx=_w(s, 0).end())  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/json/decoder.py",
line 355, in raw_decode  
raise JSONDecodeError("Expecting value", s, err.value) from None  
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/chimerax/cmd_line/tool.py", line 253, in execute  
cmd.run(cmd_text)  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/chimerax/core/commands/cli.py", line 2617, in run  
result = ci.function(session, **kw_args)  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/chimerax/core/commands/toolshed.py", line 254, in toolshed_uninstall  
deps = bi.dependents(logger)  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/chimerax/core/toolshed/info.py", line 616, in dependents  
for d in DistributionPath().get_distributions():  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/database.py", line 213, in get_distributions  
self._generate_cache()  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/database.py", line 167, in _generate_cache  
for dist in self._yield_distributions():  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/database.py", line 148, in _yield_distributions  
metadata = Metadata(fileobj=stream, scheme='legacy')  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/metadata.py", line 741, in __init__  
self.validate()  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/metadata.py", line 958, in validate  
missing, warnings = self._legacy.check(True)  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/metadata.py", line 522, in check  
self.set_metadata_version()  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/metadata.py", line 289, in set_metadata_version  
self._fields['Metadata-Version'] = _best_version(self._fields)  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/metadata.py", line 167, in _best_version  
raise MetadataConflictError('Unknown metadata set')  
distlib.metadata.MetadataConflictError: Unknown metadata set  
  
distlib.metadata.MetadataConflictError: Unknown metadata set  
  
File "/home/gregc/src/chimerax/ChimeraX.app/lib/python3.7/site-
packages/distlib/metadata.py", line 167, in _best_version  
raise MetadataConflictError('Unknown metadata set')  
  
See log for complete Python traceback.  
  




OpenGL version: 4.5 (Core Profile) Mesa 18.2.2
OpenGL renderer: AMD TAHITI (DRM 2.50.0, 4.15.0-45-generic, LLVM 7.0.0)
OpenGL vendor: X.Org

[Greg Couch]

contents of ChimeraX_Toolbar-0,1.dist-info

[Conrad Huang]

Fixed in #2043.