code: def test_get_tensor_layout(self):
      distribution = distribution_lib.DataParallel(
          device_mesh=self.device_mesh
      )
  
      path = "path/to/tensor"
      tensor_layout = distribution.get_tensor_layout(path)
      self.assertIsNone(tensor_layout)
  
imports: import os
  from unittest import mock
  import numpy
  import pytest
  import tensorflow
  from keras import backend
  from keras import testing
  from keras.backend import distribution_lib
  from keras.distribution import distribution_lib
label_desc: Use image node_id 7 for calling the DataParallelDistributionTest obj's underlying member method code with example usage: obj.test_get_tensor_layout() without return types