code: def setUpClass(cls):
      super(AdversarialRegularizationMultiDeviceTest, cls).setUpClass()
      _set_up_virtual_devices()
  
file_path: neural-structured-learning/neural_structured_learning/keras/adversarial_regularization_multi_device_test.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import neural_structured_learning.configs
  from neural_structured_learning.keras import adversarial_regularization
  import numpy
  import tensorflow
label_desc: Use image node_id 1 for calling the AdversarialRegularizationMultiDeviceTest obj's underlying member method code with example usage: obj.setUpClass(cls) without return types