@command
@arg('command', nargs='?', help='A zpm command')
def help(args):
    """Show this help"""
    parser = set_up_arg_parser()
    cmd_names = [c.__name__ for c in _commands]
    if args.command is None or args.command not in cmd_names:
        if args.command is not None:
            print(args.command % 'no such command: %s')
        parser.print_help()
    else:
        parser.parse_args([args.command, '-h'])
dataset/ETHPy150Open zerovm/zerovm-cli/zpmlib/commands.py/help/swapped operands of `%`