How to use the labelme.logger.logger function in labelme

help='keep annotation of previous frame',
        default=argparse.SUPPRESS,
    )
    parser.add_argument(
        '--epsilon',
        type=float,
        help='epsilon to find nearest vertex on canvas',
        default=argparse.SUPPRESS,
    )
    args = parser.parse_args()

    if args.version:
        print('{0} {1}'.format(__appname__, __version__))
        sys.exit(0)

    logger.setLevel(getattr(logging, args.logger_level.upper()))

    if hasattr(args, 'flags'):
        if os.path.isfile(args.flags):
            with codecs.open(args.flags, 'r', encoding='utf-8') as f:
                args.flags = [l.strip() for l in f if l.strip()]
        else:
            args.flags = [l for l in args.flags.split(',') if l]

    if hasattr(args, 'labels'):
        if os.path.isfile(args.labels):
            with codecs.open(args.labels, 'r', encoding='utf-8') as f:
                args.labels = [l.strip() for l in f if l.strip()]
        else:
            args.labels = [l for l in args.labels.split(',') if l]

    if hasattr(args, 'label_flags'):