code: def parse_args():
      parser = argparse.ArgumentParser(description="Test")
      parser.add_argument(
          "--conf_path",
          help="The path of conf file.",
          type=str,
          default="./serving_client/serving_client_conf.prototxt",
      )
      return parser.parse_args()
  
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args() and returns: parser