--- roundup/roundupdb.py~	2004-07-19 02:23:42.000000000 +0200
+++ roundup/roundupdb.py	2005-02-03 13:17:23.000000000 +0200
@@ -447,9 +447,9 @@
 
         # list the changes
         m = []
-        l = changed.items()
-        l.sort()
-        for propname, oldvalue in l:
+        changed_items = changed.items()
+        changed_items.sort()
+        for propname, oldvalue in changed_items:
             prop = props[propname]
             value = cl.get(nodeid, propname, None)
             if isinstance(prop, hyperdb.Link):