def test_read_ann_beats_old_jams(): """Trying to read an old jams file.""" my_file_struct = FileStruct(os.path.join("fixtures", "chirp.mp3")) my_file_struct.ref_file = os.path.join("fixtures", "old_jams.jams") pcp = PCP(my_file_struct, FeatureTypes.ann_beatsync, sr=11025) times, frames = pcp.read_ann_beats() assert times is None assert frames is None