message: Fix error string.
diff: @@ -571,8 +571,8 @@ class OwnedIterator(trackable.Trackable, composite_tensor.CompositeTensor):
  `components` and `element_spec` is provided.
  """
  - error_message = "Either `dataset` or both `components` and "
  - "`element_spec` need to be provided."
  + error_message = ("Either `dataset` or both `components` and "
  + "`element_spec` need to be provided.")
  self._device = context.context().device_name
  