message: Removed unnecessary copying of dict
diff: @@ -333,11 +333,7 @@ def build_raw_serving_input_receiver_fn(features, default_batch_size=None):
  """A serving_input_receiver_fn that expects features to be fed directly."""
  receiver_tensors = _placeholders_from_receiver_tensors_dict(
  features, default_batch_size)
  -
  - # TODO(b/34885899): remove the unnecessary copy
  - # The features provided are simply the placeholders, but we defensively copy
  - # the dict because it may be mutated.
  - return ServingInputReceiver(receiver_tensors, receiver_tensors.copy())
  + return ServingInputReceiver(receiver_tensors, receiver_tensors)
  return serving_input_receiver_fn
  