diff --git a/docs/source/__init__.py b/docs/source/__init__.py
new file mode 100644
index 0000000..f99c2ea
--- /dev/null
+++ b/docs/source/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2018-present Open Networking Foundation
+
+# 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.
\ No newline at end of file