How to use the tartube.tidy.TidyManager function in tartube

def __init__(self, app_obj, choices_dict):

        if DEBUG_FUNC_FLAG:
            utils.debug_time('top 112 __init__')

        super(TidyManager, self).__init__()

        # IV list - class objects
        # -----------------------
        # The mainapp.TartubeApp object
        self.app_obj = app_obj
        # The media data object (channel, playlist or folder) to be tidied up,
        #   or None if the whole data directory is to be tidied up
        # If specified, the channel/playlist/folder and all of its descendants
        #   are checked
        self.init_obj = choices_dict['media_data_obj']


        # IV list - other
        # ---------------
        # Flag set to False if self.stop_tidy_operation() is called, which
        #   halts the operation immediately