code: def load_graph(mode_file):
      """Read a tensorflow model, and creates a default graph object."""
      graph = tf.Graph()
      with graph.as_default():
          od_graph_def = tf.compat.v1.GraphDef()
          with tf.io.gfile.GFile(mode_file, "rb") as fid:
              serialized_graph = fid.read()
              od_graph_def.ParseFromString(serialized_graph)
              tf.import_graph_def(od_graph_def, name="")
      return graph
  
file_path: tensorflow/tensorflow/examples/speech_commands/test_streaming_accuracy.py
imports: import argparse
  import sys
  import numpy
  import tensorflow
  from accuracy_utils import StreamingAccuracyStats
  from recognize_commands import RecognizeCommands
  from recognize_commands import RecognizeResult
  from tensorflow.python.ops import io_ops
label_desc: Use image node_id 1 for calling a global function with example usage: load_graph(mode_file) and returns: graph