code: def main():
      op_util.init_logging()
      batch_run = batch_util.batch_run()
      trials = _batch_trials(batch_run)
      batch_util.stop_trials_on_sigterm(batch_run)
      batch_util.handle_trials(batch_run, trials)
  
imports: from guild import batch_util
  from guild import op_util
label_desc: Use image node_id 1 for calling a global function with example usage: main() without return types