[ERROR:849040402] __main__: join() argument must be str or bytes, not 'NoneType'
Traceback (most recent call last):
  File "/usr/local/lib/python3.6/dist-packages/quart/app.py", line 1471, in full_dispatch_request
    result = await self.dispatch_request(request_context)
  File "/usr/local/lib/python3.6/dist-packages/quart/app.py", line 1519, in dispatch_request
    return await handler(**request_.view_args)
  File "app.py", line 473, in api_custom_words
    core.profile.get(f"speech_to_text.{speech_system}.custom_words")
  File "/usr/share/rhasspy/rhasspy/profiles.py", line 91, in read_path
    full_path = os.path.join(profiles_dir, self.name, *path_parts)
  File "/usr/lib/python3.6/posixpath.py", line 94, in join
    genericpath._check_arg_types('join', a, *p)
  File "/usr/lib/python3.6/genericpath.py", line 149, in _check_arg_types
    (funcname, s.__class__.__name__)) from None
TypeError: join() argument must be str or bytes, not 'NoneType'