HTTP Error 401: Unauthorized

[Columbo]

It seems that it is not possible to connect to the different url's without credentials anymore.

My configuration looks like:
[radio-de]
language = german
favorites = Tagesschau

Log output:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/pykka/actor.py", line 192, in _actor_loop
self.on_start()
File "/usr/local/lib/python2.7/dist-packages/mopidy_radio_de/actor.py", line 53, in on_start
self.playlists.refresh()
File "/usr/local/lib/python2.7/dist-packages/mopidy_radio_de/playlists.py", line 40, in refresh
stations = self.backend.api.search_stations_by_string(favorite, 20)
File "/usr/local/lib/python2.7/dist-packages/mopidy_radio_de/api.py", line 119, in search_stations_by_string
return self.__api_call(path, param)
File "/usr/local/lib/python2.7/dist-packages/mopidy_radio_de/api.py", line 174, in __api_call
response = self.__urlopen(url)
File "/usr/local/lib/python2.7/dist-packages/mopidy_radio_de/api.py", line 186, in __urlopen
raise RadioDeApiError('HTTPError: %s' % error)
RadioDeApiError: HTTPError: HTTP Error 401: Unauthorized