diff -r dc3cc61c7f6f -r a73bbc1d8b4b iro/view/xmlrpc.py
--- a/iro/view/xmlrpc.py	Thu Sep 27 14:13:06 2012 +0200
+++ b/iro/view/xmlrpc.py	Thu Sep 27 14:20:03 2012 +0200
@@ -86,7 +86,6 @@
     """adding XML-RPC and SOAP to root."""
     root.putChild('RPC2', XMLRPCInterface())
     root.putChild('SOAP', SOAPInterface())
-    return root
 
 if __name__ == '__main__':
     from twisted.web import resource, server