diff --git a/python_tools/setup.py b/python_tools/setup.py
index 600b1c6..a8ba0bf 100644
--- a/python_tools/setup.py
+++ b/python_tools/setup.py
@@ -28,7 +28,7 @@ VOID_GSL=os.environ.get('VOID_GSL')
 setup(
     name='vide',
     version='1.0',
-    cmdclass = {'build_ext': build_ext},
+#    cmdclass = {'build_ext': build_ext},
     include_dirs = [np.get_include()],
     packages=
        ['vide','vide.backend','vide.apTools', 'vide.voidUtil',
diff --git a/setup.py b/setup.py
index 67e712f..258b563 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ class CMakeExtension(Extension):
     doesn't try to build your sources for you
     """
 
-    def __init__(self, name, sources=[]):
+    def __init__(self, name, sources=["dummy_extension/empty.c"]):
 
         super().__init__(name = name, sources = sources)