--- a/hooks/integrity.py	Tue Aug 18 09:13:12 2009 +0200
+++ b/hooks/integrity.py	Tue Aug 18 09:25:26 2009 +0200
@@ -12,7 +12,6 @@
 from cubicweb.selectors import entity_implements
 from cubicweb.common.uilib import soup2xhtml
 from cubicweb.server import hook
-from cubicweb.server.pool import LateOperation, PreCommitOperation
 
 # special relations that don't have to be checked for integrity, usually
 # because they are handled internally by hooks (so we trust ourselves)