code: def parse_flags(argv):
      """Function required by absl.app.run. Internally generates a parser and returns
      the results of parsing caliban arguments.
  
      """
      args = argv[1:]
      return expansion_parser().parse_args(args)
  
file_path: caliban/caliban/expansion.py
imports: from __future__ import absolute_import, division, print_function
  import json
  import logging
  from typing import List
  from absl import app, logging
  from absl.flags import argparse_flags
  import caliban.config.experiment
  from caliban import __version__
label_desc: Use image node_id 2 for calling a global function with example usage: parse_flags(argv) and returns: expansion_parser