0.0.23: whey fails on building `sphinx-toolbox` 3.0.0

[kloczek]

Looks like something is wrong with latest whey 0.0.23. After upgarde to that version I'm not able now build sphinx-toolbox 3.0.0

+ /usr/bin/python3 -sBm build -w --no-isolation
* Getting dependencies for wheel...
* Building wheel...
Traceback (most recent call last):
  File "/usr/lib/python3.8/site-packages/pep517/in_process/_in_process.py", line 363, in <module>
    main()
  File "/usr/lib/python3.8/site-packages/pep517/in_process/_in_process.py", line 345, in main
    json_out['return_val'] = hook(**hook_input['kwargs'])
  File "/usr/lib/python3.8/site-packages/pep517/in_process/_in_process.py", line 261, in build_wheel
    return _build_backend().build_wheel(wheel_directory, config_settings,
  File "/usr/lib/python3.8/site-packages/whey/__init__.py", line 63, in build_wheel
    with TemporaryPathPlus() as tmpdir, handle_tracebacks(show_traceback, WheyBackendTBHandler):
  File "/usr/lib/python3.8/site-packages/consolekit/tracebacks.py", line 182, in handle_tracebacks
    return cls()()
  File "/usr/lib/python3.8/site-packages/whey/utils.py", line 56, in __init__
    super().__init__(exception)
TypeError: object.__init__() takes exactly one argument (the instance to initialize)

ERROR Backend subprocess exited when trying to invoke build_wheel