diff --git a/nova/__init__.py b/nova/__init__.py
index e69de29bb..f04dd7669 100644
--- a/nova/__init__.py
+++ b/nova/__init__.py
@@ -0,0 +1,14 @@
+#    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.
+
+# Required to play nicely with namespace composition (PEP420).
+__import__('pkg_resources').declare_namespace(__name__)