diff --git a/setup.py b/setup.py
index d6d2ea1..c453a91 100644
--- a/setup.py
+++ b/setup.py
@@ -5,4 +5,5 @@ import setuptools
 
 setuptools.setup(
     setup_requires=['pbr'],
-    pbr=True)
+    pbr=True,
+    py_modules=[])