message: [tf.data] Reducing overhead of fetching an element for latency-sensitive input pipelines.
diff: @@ -660,6 +660,10 @@ class IteratorV2(trackable.Trackable, composite_tensor.CompositeTensor):
  output_types=self._flat_output_types,
  output_shapes=self._flat_output_shapes)
  + try:
  + # Fast path for the case `self._structure` is not a nested structure.
  + return self._structure._from_compatible_tensor_list(ret) # pylint: disable=protected-access
  + except AttributeError:
  return structure.from_compatible_tensor_list(self._structure, ret)
  @property
  