refine import

python/paddle_serving_app/__init__.py

@@ -15,4 +15,4 @@ from .reader.chinese_bert_reader import ChineseBertReader
 from .reader.image_reader import ImageReader
 from .reader.lac_reader import LACReader
 from .reader.senta_reader import SentaReader
-from .models.model_list import ServingModels
+from .models import ServingModels

python/paddle_serving_app/models/__init__.py

+#   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 .model_list import ServingModels