code: def _parse_args():
      import argparse
  
      parser = argparse.ArgumentParser(
          description=__doc__,
          formatter_class=argparse.RawTextHelpFormatter,
      )
      parser.add_argument(
          "--input-file", required=True, help="Input checkpoint file."
      )
      parser.add_argument(
          "--output-file", required=False, help="Output model file."
      )
      return parser.parse_args()
  
label_desc: Use image node_id 1 for calling a global function with example usage: _parse_args() and returns: parser