def __init__(self, config, audio): super(SpotifyBackend, self).__init__() self.config = config self.library = SpotifyLibraryProvider(backend=self) self.playback = SpotifyPlaybackProvider(audio=audio, backend=self) self.playlists = SpotifyPlaylistsProvider(backend=self) self.uri_schemes = ['spotify'] self.spotify = SpotifySessionManager(config, audio=audio, backend_ref=self.actor_ref)