--- a/hooks/integrity.py	Fri Sep 11 18:01:36 2015 +0200
+++ b/hooks/integrity.py	Fri Sep 11 18:05:38 2015 +0200
@@ -20,7 +20,7 @@
 """
 
 __docformat__ = "restructuredtext en"
-_ = unicode
+from cubicweb import _
 
 from threading import Lock