code: def test_run_multi_gpu_naive(self):
      self.helper_run_multi_gpu_madryetal({"adv_train": False})
  
file_path: cleverhans/cleverhans_v3.1.0/examples/multigpu_advtrain/test_run_multigpu.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  from collections import namedtuple
  import unittest
  import numpy
  import tensorflow
  from cleverhans.utils import AccuracyReport
  from cleverhans.devtools.checks import CleverHansTest
  from run_multigpu import run_trainer
label_desc: Use image node_id 4 for calling the TestRunMultiGPU obj's underlying member method code with example usage: obj.test_run_multi_gpu_naive() without return types