code: def get_sonos_favorites(self, *args, **kwargs):
          
          args = tuple(['sonos_favorites'] + list(args))
          return self.get_music_library_information(*args, **kwargs)
docs: Convenience method for `get_music_library_information`
          with ``search_type='sonos_favorites'``. For details of other arguments,
          see `that method
          <#soco.music_library.MusicLibrary.get_music_library_information>`_.