--- a/cwvreg.py	Mon Sep 14 11:25:56 2009 +0200
+++ b/cwvreg.py	Tue Sep 15 15:01:41 2009 +0200
@@ -138,7 +138,6 @@
         baseschemas = [eschema] + eschema.ancestors()
         # browse ancestors from most specific to most generic and try to find an
         # associated custom entity class
-        cls = None
         for baseschema in baseschemas:
             try:
                 btype = ETYPE_NAME_MAP[baseschema]