Update datasets

demo/colorization/train.py

@@ -2,7 +2,7 @@ import paddle
 import paddlehub as hub
 import paddlehub.process.transforms as T
 from paddlehub.finetune.trainer import Trainer
-from paddlehub.datasets.Canvas import Canvas
+from paddlehub.datasets import Canvas
 
 if __name__ == '__main__':
 

demo/image_classification/train.py

@@ -2,7 +2,7 @@ import paddle
 import paddlehub as hub
 import paddlehub.process.transforms as T
 from paddlehub.finetune.trainer import Trainer
-from paddlehub.datasets.flowers import Flowers
+from paddlehub.datasets import Flowers
 
 if __name__ == '__main__':
     transforms = T.Compose([T.Resize((224, 224)), T.Normalize()])

demo/style_transfer/train.py

@@ -2,7 +2,7 @@ import paddle
 import paddlehub as hub
 import paddlehub.process.transforms as T
 from paddlehub.finetune.trainer import Trainer
-from paddlehub.datasets.MiniCOCO import MiniCOCO
+from paddlehub.datasets import MiniCOCO
 
 if __name__ == "__main__":
     model = hub.Module(name='msgnet')

paddlehub/datasets/__init__.py

+# coding:utf-8
+# Copyright (c) 2020  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.
+
+from paddlehub.datasets.canvas import Canvas
+from paddlehub.datasets.flowers import Flowers
+from paddlehub.datasets.minicoco import MiniCOCO