# Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.## Licensed under the Apache License, Version 2.0 (the "License"# you may not use this file except in compliance with the License.# You may obtain a copy of the License at## http://www.apache.org/licenses/LICENSE-2.0## Unless required by applicable law or agreed to in writing, software# distributed under the License is distributed on an "AS IS" BASIS,# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.# See the License for the specific language governing permissions and# limitations under the License.classHubDataset(object):defget_train_examples(self):raiseNotImplementedError()defget_dev_examples(self):raiseNotImplementedError()defget_test_examples(self):raiseNotImplementedError()defget_val_examples(self):returnself.get_dev_examples()defget_labels(self):raiseNotImplementedError()