diff -r 2b91abd9f5a4 -r 1fbcf202882d sobjects/supervising.py
--- a/sobjects/supervising.py	Mon Jun 29 14:12:18 2009 +0200
+++ b/sobjects/supervising.py	Thu Jul 02 10:35:03 2009 +0200
@@ -48,7 +48,7 @@
     events = ('before_delete_entity',)
 
     def _call(self, eid):
-        entity = self.session.entity(eid)
+        entity = self.session.entity_from_eid(eid)
         try:
             title = entity.dc_title()
         except: