code: def main(_):
      import_to_tensorboard(
          FLAGS.model_dir, FLAGS.log_dir, FLAGS.tag_set
      )
  
file_path: tensorflow-upstream/tensorflow/python/tools/import_pb_to_tensorboard.py
imports: import argparse
  import sys
  from absl import app
  from tensorflow.python.client import session
  from tensorflow.python.framework import importer
  from tensorflow.python.framework import ops
  from tensorflow.python.summary import summary
  from tensorflow.python.tools import saved_model_utils
label_desc: Use image node_id 2 for calling a global function with example usage: main(_) without return types