@abc.abstractmethod
    def load_data(self):
        return True
Marks file as finalized.
dataset/ETHPy150Open SheffieldML/GPy/benchmarks/regression/tasks.py/RegressionTask.load_data--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/files/file_service_stub.py/GoogleStorage.finalize