code: def read_label_file(file_name):
      """Load a list of label."""
      label_list = []
      with open(file_name, "r") as f:
          for line in f:
              label_list.append(line.strip())
      return label_list
  
file_path: tensorflow-upstream/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 2 for calling a global function with example usage: read_label_file(file_name) and returns: label_list