def get_length_audio(audiopath, extension):
    """
    Returns length of audio in seconds. 
    Returns None if format isn't supported or in case of error. 
    """
    try:
        audio = AudioSegment.from_file(audiopath, extension.replace(".", ""))
    except:
        print "Error in get_length_audio(): %s" % traceback.format_exc()
        return None
    return int(1000.0 / len(audio))
dataset/ETHPy150Open worldveil/dejavu/dejavu/testing.py/get_length_audio/swapped operands of `/`