Error upgrading to v5.0

[Marty b]

Hello,

I tried upgrading to v5.0 and am getting errors:

pi@WeeWx2021:/var/log/apache2 $ sudo apt-get update
Hit:1 https://weewx.com/apt/python3 buster InRelease
Hit:2 http://raspbian.raspberrypi.org/raspbian buster InRelease
Hit:3 http://archive.raspberrypi.org/debian buster InRelease
Reading package lists... Done
pi@WeeWx2021:/var/log/apache2 $ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] y
Setting up weewx (5.0.0-1) ...
Using root:root as user:group
Traceback (most recent call last):
  File "/usr/share/weewx/weectl.py", line 74, in <module>
    main()
  File "/usr/share/weewx/weectl.py", line 58, in main
    module = importlib.import_module(f'weectllib.{subcommand}_cmd')
  File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/usr/share/weewx/weectllib/__init__.py", line 12, in <module>
    import configobj
  File "/usr/lib/python3/dist-packages/configobj.py", line 22, in <module>
    import six
ImportError: bad magic number in 'six': b'\x03\xf3\r\n'
dpkg: error: --compare-versions takes three arguments: <version> <relation> <version>

Type dpkg --help for help about installing and deinstalling packages [*];
Use 'apt' or 'aptitude' for user-friendly package management;
Type dpkg -Dhelp for a list of dpkg debug flag values;
Type dpkg --force-help for a list of forcing options;
Type dpkg-deb --help for help about manipulating *.deb files;

Options marked [*] produce a lot of output - pipe it through 'less' or 'more' !
Using debconf configuration values from previous install
Traceback (most recent call last):
  File "/usr/share/weewx/weectl.py", line 74, in <module>
    main()
  File "/usr/share/weewx/weectl.py", line 58, in main
    module = importlib.import_module(f'weectllib.{subcommand}_cmd')
  File "/usr/lib/python3.7/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 953, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/usr/share/weewx/weectllib/__init__.py", line 12, in <module>
    import configobj
  File "/usr/lib/python3/dist-packages/configobj.py", line 22, in <module>
    import six
ImportError: bad magic number in 'six': b'\x03\xf3\r\n'
dpkg: error processing package weewx (--configure):
 installed weewx package post-installation script subprocess returned error exit status 1
Errors were encountered while processing:
 weewx
E: Sub-process /usr/bin/dpkg returned an error code (1)

Please let me know what I need to do to resolve this.

Thank you!

[Marty b]

I was able to figure out how to fix this.  I had to delete the 'six.pyc' file in /usr/share/weewx/ .  After doing that, the install was able to complete.  Having some other issues now, but will create a new thread for them if I can't figure it out...