code: def mock_call(cls):
      cls.mock_callable()
  
imports: import json
  import os
  import tempfile
  from unittest import mock
  from absl import flags
  import numpy
  import tensorflow
  from tensorflow_cloud.tuner import cloud_fit_client
  from tensorflow_cloud.tuner import cloud_fit_remote
  from tensorflow_cloud.tuner import cloud_fit_utils
label_desc: Use image node_id 2 for calling the _MockCallable obj's underlying member method code with example usage: obj.mock_call(cls) without return types