code: def main(_):
      if FLAGS.module_import:
          for module in FLAGS.module_import:
              importlib.import_module(module)
  
      tf.io.gfile.makedirs(FLAGS.model_dir)
      suffix = 0
      command_filename = os.path.join(FLAGS.model_dir, "command")
      while tf.io.gfile.exists(command_filename):
          suffix += 1
          command_filename = os.path.join(
              FLAGS.model_dir, "command.{}".format(suffix)
          )
      with tf.io.gfile.GFile(command_filename, "w") as f:
          f.write(" ".join(sys.argv))
  
      utils.parse_gin_defaults_and_flags()
      utils.run(
          tpu_job_name=FLAGS.tpu_job_name,
          tpu=FLAGS.tpu,
          gcp_project=FLAGS.gcp_project,
          tpu_zone=FLAGS.tpu_zone,
          model_dir=FLAGS.model_dir,
      )
  
file_path: mesh/mesh_tensorflow/transformer/main.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import importlib
  import os
  import sys
  from mesh_tensorflow.transformer import utils
  import tensorflow.compat.v1
label_desc: Use image node_id 1 for calling a global function with example usage: main(_) without return types