Index: setup.py
===================================================================
--- setup.py	(Revision 103599)
+++ setup.py	(Arbeitskopie)
@@ -51,6 +51,7 @@
     install_requires = 'setuptools',
     include_package_data = True,
     zip_safe=False,
+    options={'build_py': {'with_2to3':True}},
     classifiers = [
         'Programming Language :: Python',
         'Development Status :: 4 - Beta',