code: def test_enqueue_incorrect_structure_for_features_and_weights(self):
      self.skip_if_oss()
      strategy, mid_level_api, _ = self._create_strategy_and_mid_level(
          "sgd"
      )
  
      sparse = self._create_sparse_dataset(
          strategy, include_weights=True
      )
      sparse_iter = iter(
          strategy.experimental_distribute_dataset(
              sparse,
              options=distribute_lib.InputOptions(
                  experimental_fetch_to_device=False
              ),
          )
      )
  
      @def_function.function
      def test_features_fn():
          def step():
              return mid_level_api.dequeue()
  
          features = next(sparse_iter)
          features = (features[0],)
          mid_level_api.enqueue(features, training=False)
          return strategy.run(step)
  
      # The error here is raised from nest.assert_same_structure
      with self.assertRaises(ValueError):
          test_features_fn()
  
      @def_function.function
      def test_weights_fn():
          def step():
              return mid_level_api.dequeue()
  
          features, weights = next(sparse_iter)
          weights = (weights[0],)
          mid_level_api.enqueue(
              features, weights=weights, training=False
          )
          return strategy.run(step)
  
      # The error here is raised from nest.assert_same_structure
      with self.assertRaises(ValueError):
          test_weights_fn()
  
file_path: tensorflow/tensorflow/python/tpu/tests/tpu_embedding_v2_invalid_input_test.py
imports: from absl.testing import parameterized
  from tensorflow.python.compat import v2_compat
  from tensorflow.python.distribute import distribute_lib
  from tensorflow.python.eager import def_function
  from tensorflow.python.framework import config
  from tensorflow.python.platform import test
  from tensorflow.python.tpu import tpu_embedding_v2
  from tensorflow.python.tpu import tpu_embedding_v2_utils
  from tensorflow.python.tpu.tests import tpu_embedding_base_test
label_desc: Use image node_id 5 for calling the TPUEmbeddingTest obj's underlying member method code with example usage: obj.test_enqueue_incorrect_structure_for_features_and_weights() and returns: strategy, strategy, mid_level_api, mid_level_api