# Extra output path occasionally used for comparing two different
    # quantized models.
    self._output_saved_model_path_2 = self.create_tempdir('output2').full_path

  def _extract_first_xla_call_module_op(
      self, output_saved_model_path: str
  ) -> str:
    """Extracts the first XlaCallModule op from output saved model to string."""
    root = load.load(output_saved_model_path)