code: def test_data_reorganize_cpu_only(self):
      self.test_data_reorganize(cpu_only=True)
  
imports: from __future__ import print_function
  import unittest
  import numpy
  import coremltools.models.datatypes
  from coremltools.models import neural_network
  from coremltools.models import MLModel
  from coremltools.models.utils import _is_macos, _macos_version
  from coremltools._deps import _HAS_TF, MSG_TF1_NOT_FOUND
  import itertools
label_desc: Use image node_id 3 for calling the StressTest obj's underlying member method code with example usage: obj.test_data_reorganize_cpu_only() without return types