code: def _to_graphdef():
      sess = tf.compat.v1.keras.backend.get_session()
      graph = sess.graph
      return graph.as_graph_def()
  
file_path: auptimizer/src/aup/dlconvert/keras_to_pb.py
imports: from os import path
  from typing import List
  from absl import flags, app
  import tensorflow
  from .utils import reset_flag
  from .to_frozen_pb import to_frozen
label_desc: Use image node_id 1 for calling a global function with example usage: _to_graphdef() and returns: graph