russ-pc-debian:/home/frankr/Desktop# apt-get install blender
Reading package lists... Done
Building dependency tree... Done
Suggested packages:
  yafray
The following packages will be upgraded:
  blender
1 upgraded, 0 newly installed, 0 to remove and 4 not upgraded.
37 not fully installed or removed.
Need to get 0B/6354kB of archives.
After unpacking 0B of additional disk space will be used.
(Reading database ... 118289 files and directories currently installed.)
Preparing to replace blender 2.42a-6 (using .../blender_2.42a-7_amd64.deb) ...
Traceback (most recent call last):
  File "/usr/bin/pycentral", line 1373, in ?
    main()
  File "/usr/bin/pycentral", line 1367, in main
    rv = action.run(global_options)
  File "/usr/bin/pycentral", line 943, in run
    runtimes = get_installed_runtimes(with_unsupported=True)
  File "/usr/bin/pycentral", line 196, in get_installed_runtimes
    supported = pyversions.supported_versions()
  File "/usr/share/pycentral-data/pyversions.py", line 98, in supported_versions    value = read_default('supported-versions')
  File "/usr/share/pycentral-data/pyversions.py", line 22, in read_default
    value = config.get('DEFAULT', name)
UnboundLocalError: local variable 'config' referenced before assignment
dpkg: warning - old pre-removal script returned error exit status 1
dpkg - trying script from the new package instead ...
Traceback (most recent call last):
  File "/usr/bin/pycentral", line 1373, in ?
    main()
  File "/usr/bin/pycentral", line 1367, in main
    rv = action.run(global_options)
  File "/usr/bin/pycentral", line 943, in run
    runtimes = get_installed_runtimes(with_unsupported=True)
  File "/usr/bin/pycentral", line 196, in get_installed_runtimes
    supported = pyversions.supported_versions()
  File "/usr/share/pycentral-data/pyversions.py", line 98, in supported_versions    value = read_default('supported-versions')
  File "/usr/share/pycentral-data/pyversions.py", line 22, in read_default
    value = config.get('DEFAULT', name)
UnboundLocalError: local variable 'config' referenced before assignment
dpkg: error processing /var/cache/apt/archives/blender_2.42a-7_amd64.deb (--unpack):
 subprocess new pre-removal script returned error exit status 1
Traceback (most recent call last):
  File "/usr/bin/pycentral", line 1373, in ?
    main()
  File "/usr/bin/pycentral", line 1367, in main
    rv = action.run(global_options)
  File "/usr/bin/pycentral", line 865, in run
    runtimes = get_installed_runtimes()
  File "/usr/bin/pycentral", line 196, in get_installed_runtimes
    supported = pyversions.supported_versions()
  File "/usr/share/pycentral-data/pyversions.py", line 98, in supported_versions    value = read_default('supported-versions')
  File "/usr/share/pycentral-data/pyversions.py", line 22, in read_default
    value = config.get('DEFAULT', name)
UnboundLocalError: local variable 'config' referenced before assignment
dpkg: error while cleaning up:
 subprocess post-installation script returned error exit status 1
Errors were encountered while processing:
 /var/cache/apt/archives/blender_2.42a-7_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
russ-pc-debian:/home/frankr/Desktop#