message: Remove unused parent_name argument from _UnreadVariable.__init__.
diff: @@ -954,7 +954,7 @@ class ResourceVariable(variables.RefVariable):
  handle=self._handle, dtype=self.dtype, shape=self._shape,
  in_graph_mode=self._in_graph_mode,
  deleter=self._handle_deleter if not self._in_graph_mode else None,
  - parent_op=op, parent_name=self._handle_name, unique_id=self._unique_id)
  + parent_op=op, unique_id=self._unique_id)
  def assign(self, value, use_locking=None, name=None, read_value=True):
  """Assigns a new value to this variable.
  @@ -1293,8 +1293,7 @@ class _UnreadVariable(ResourceVariable):
  """
  def __init__(self, handle, dtype, # pylint: disable=super-init-not-called
  - shape, in_graph_mode, deleter, parent_op, parent_name,
  - unique_id):
  + shape, in_graph_mode, deleter, parent_op, unique_id):
  # We do not call super init on purpose.
  self._trainable = False
  self._save_slice_info = None
  