def load_model(output_file_name: str, data: Optional[Tuple[np.ndarray, np.ndarray]]) -> RawModelType: """Load a GPy model. :param output_file_name: The path of the file containing the saved model. :param data: A tuple containing X and Y arrays. data = (x, y). :return: The GPy model. """ return Model.load_model(output_file_name, data=data)