fix import generateDS

setup.py

@@ -27,7 +27,7 @@ methods to the subclasses in order to process the contents of an
 XML document.""",
     platforms="platform-independent",
     license="http://www.opensource.org/licenses/mit-license.php",
-    py_modules=[
+    py_modules=["generateDS",
         "process_includes",
     ],
     # include_package_data=True,