diff --git a/setup.py b/setup.py
index cd35c3c3..31d6ada1 100644
--- a/setup.py
+++ b/setup.py
@@ -17,4 +17,5 @@ import setuptools
 
 setuptools.setup(
     setup_requires=['pbr>=2.0.0'],
+    py_modules=[],
     pbr=True)