code: def create_parser(subparsers):
    '''
    :param subparsers:
    :return:
    '''
    parser = subparsers.add_parser(
        'version',
        help='Print version of heron-cli',
        usage="%(prog)s [options] [cluster]",
        add_help=True)
  
    add_version_titles(parser)
  
    parser.add_argument(
        'cluster',
        nargs='?',
        type=str,
        default="",
        help='Name of the cluster')
  
    cli_args.add_service_url(parser)
  
    parser.set_defaults(subcommand='version')
    return parsef create_parser(subparsers):
    '''
    :param subparsers:
    :return:
    '''
    parser = subparsers.add_parser(
        'version',
        help='Print version of heron-cli',
        usage="%(prog)s [options] [cluster]",
        add_help=True)
  
    add_version_titles(parser)
  
    parser.add_argument(
        'cluster',
        nargs='?',
        type=str,
        default="",
        help='Name of the cluster')
  
    cli_args.add_service_url(parser)
  
    parser.set_defaults(subcommand='version')
    return parser
docs: :param subparsers:
    :return: