How to use the ledfx.config.get_default_config_directory function in LedFx

def parse_args():
    parser = argparse.ArgumentParser(
        description="A Networked LED Effect Controller")
    parser.add_argument(
        '--version',
        action='version',
        version='ledfx {ver}'.format(ver=PROJECT_VERSION))
    parser.add_argument(
        '-c',
        '--config',
        dest="config",
        help="Directory that contains the configuration files",
        default=config_helpers.get_default_config_directory(),
        type=str)
    parser.add_argument(
        '--open-ui',
        action='store_true',
        help='Automatically open the webinterface')
    parser.add_argument(
        '-v',
        '--verbose',
        dest="loglevel",
        help="set loglevel to INFO",
        action='store_const',
        const=logging.INFO)
    parser.add_argument(
        '-vv',
        '--very-verbose',
        dest="loglevel",