message: Update TODO.
diff: @@ -139,7 +139,7 @@ class EncryptingStream(io.BufferedIOBase):
  ### Internal ###
  - # TODO(tanujdhir) remove this function when b/141239409 b/141239470 are fixed.
  + # TODO(b/141344377) Use parent class _checkClosed() instead
  def _check_not_closed(self, msg=None):
  """Internal: raise a ValueError if file is closed."""
  if self.closed:
  