How to use the yamllint.cli.Format.standard function in yamllint

max_level = max(max_level, PROBLEM_LEVELS[problem.level])
        if no_warn and (problem.level != 'error'):
            continue
        if args_format == 'parsable':
            print(Format.parsable(problem, file))
        elif args_format == 'colored' or \
                (args_format == 'auto' and supports_color()):
            if first:
                print('\033[4m%s\033[0m' % file)
                first = False
            print(Format.standard_color(problem, file))
        else:
            if first:
                print(file)
                first = False
            print(Format.standard(problem, file))

    if not first and args_format != 'parsable':
        print('')

    return max_level

max_level = max(max_level, PROBLEM_LEVELS[problem.level])
        if no_warn and (problem.level != 'error'):
            continue
        if args_format == 'parsable':
            print(Format.parsable(problem, file))
        elif args_format == 'colored' or \
                (args_format == 'auto' and supports_color()):
            if first:
                print('\033[4m%s\033[0m' % file)
                first = False
            print(Format.standard_color(problem, file))
        else:
            if first:
                print(file)
                first = False
            print(Format.standard(problem, file))

    if not first and args_format != 'parsable':
        print('')

    return max_level