def METHOD_NAME():
    """Parses the command line arguments"""
    parser = argparse.ArgumentParser(
        description="Outputs entity hierarchy graph from a device's "
        "ENTITY-MIB::entPhysicalTable response",
        usage="%(prog)s device",
    )
    parser.add_argument(
        'device',
        type=device,
        help="The NAV-monitored IP device to query. Must be either "
        "a sysname prefix or an IP address.",
    )
    parser.add_argument(
        "--port",
        "-p",
        type=int,
        help="change the portnumber, [default: 161]",
        metavar="PORT",
        default=161,
    )
    return parser.METHOD_NAME()