message: Clean up remaining issues.
diff: @@ -161,7 +161,6 @@ from tensorflow.python.platform import tf_logging as logging
  from tensorflow.python.training import checkpoint_utils
  from tensorflow.python.util import nest
  from tensorflow.python.util.tf_export import tf_export
  -from tensorflow.python.util.tf_export import tf_export
  def _internal_input_layer(features,
  