zip_safe=False,

setup.py

@@ -62,6 +62,7 @@ setup(
     # This line is required for any distutils based packaging.
     packages = find_packages(),
     include_package_data = True,
+    zip_safe=False,
 
     # This line defines which packages should be installed when you "install"
     # this package. All packages that are mentioned here, but are not installed