add __init__ in templates (#208)

* add __init__ in templates

* modify setup.py

paddlehub/serving/templates/__init__.py

+# coding: utf-8
+# 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.

setup.py

@@ -52,10 +52,13 @@ setup(
     author_email='paddle-dev@baidu.com',
     install_requires=REQUIRED_PACKAGES,
     packages=find_packages(),
-    data_files=[('paddlehub/serving/templates', [
-        'paddlehub/serving/templates/serving_config.json',
-        'paddlehub/serving/templates/main.html'
-    ])],
+    package_data={
+        'paddlehub/serving/templates': [
+            'paddlehub/serving/templates/serving_config.json',
+            'paddlehub/serving/templates/main.html'
+        ]
+    },
+    include_package_data=True,
     # PyPI package information.
     classifiers=[
         'Development Status :: 4 - Beta',