):
        converted_model = quantize_model.quantize(
            input_saved_model_path,
            output_directory,
            quantization_options,
        )
      return

    else:
      converted_model = quantize_model.quantize(
          input_saved_model_path,
          output_directory,
          quantization_options,
      )

    self.assertIsNotNone(converted_model)