WsgiDAV: HTTPError: received 500 (Internal Server Error)

02:03:44.963 - ERROR   : Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/wsgidav/error_printer.py", line 50, in __call__
    for v in app_iter:
  File "/usr/local/lib/python3.10/site-packages/wsgidav/request_resolver.py", line 224, in __call__
    for v in app_iter:
  File "/usr/local/lib/python3.10/site-packages/wsgidav/request_server.py", line 127, in __call__
    app_iter = provider.custom_request_handler(environ, start_response, method)
  File "/usr/local/lib/python3.10/site-packages/wsgidav/dav_provider.py", line 1584, in custom_request_handler
    return default_handler(environ, start_response)
  File "/usr/local/lib/python3.10/site-packages/wsgidav/request_server.py", line 759, in do_PUT
    parentRes = provider.get_resource_inst(util.get_uri_parent(path), environ)
  File "/usr/local/lib/python3.10/site-packages/wsgidav/fs_dav_provider.py", line 437, in get_resource_inst
    fp = self._loc_to_file_path(path, environ)
  File "/usr/local/lib/python3.10/site-packages/wsgidav/fs_dav_provider.py", line 412, in _loc_to_file_path
    assert util.is_str(path)
AssertionError

02:03:44.963 - DEBUG   : Caught 500
02:03:44.963 - ERROR   : Caught HTTPRequestException(HTTP_INTERNAL_ERROR)
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/wsgidav/error_printer.py", line 50, in __call__
    for v in app_iter:
  File "/usr/local/lib/python3.10/site-packages/wsgidav/request_resolver.py", line 224, in __call__
    for v in app_iter:
  File "/usr/local/lib/python3.10/site-packages/wsgidav/request_server.py", line 127, in __call__
    app_iter = provider.custom_request_handler(environ, start_response, method)
  File "/usr/local/lib/python3.10/site-packages/wsgidav/dav_provider.py", line 1584, in custom_request_handler
    return default_handler(environ, start_response)
  File "/usr/local/lib/python3.10/site-packages/wsgidav/request_server.py", line 759, in do_PUT
    parentRes = provider.get_resource_inst(util.get_uri_parent(path), environ)
  File "/usr/local/lib/python3.10/site-packages/wsgidav/fs_dav_provider.py", line 437, in get_resource_inst
    fp = self._loc_to_file_path(path, environ)
  File "/usr/local/lib/python3.10/site-packages/wsgidav/fs_dav_provider.py", line 412, in _loc_to_file_path
    assert util.is_str(path)
AssertionError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/wsgidav/error_printer.py", line 83, in __call__
    raise as_DAVError(e)
wsgidav.dav_error.DAVError: 500

02:03:44.963 - ERROR   : e.src_exception: