def process_arguments(args):

    parser = argparse.ArgumentParser(description='Time stretching example')

    parser.add_argument('input_file',
                        action='store',
                        help='path to the input file (wav, mp3, etc)')

    parser.add_argument('output_file',
                        action='store',
                        help='path to the stretched output (wav)')

    parser.add_argument('-s', '--speed',
                        action='store',
                        type=float,
                        default=2.0,
                        required=False,
                        help='speed')

    return vars(parser.parse_args(args))
Check to see if StdDev/Variance tests should be run.
dataset/ETHPy150Open bmcfee/librosa/examples/time_stretch.py/process_arguments--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/tests/regressiontests/aggregation_regress/tests.py/run_stddev_tests