code: def main():
      app.run(run_app, flags_parser=parse_flags)
  
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 6 for calling a global function with example usage: main() without return types