--- a/server/migractions.py	Tue Jun 17 17:53:31 2014 +0200
+++ b/server/migractions.py	Mon Jul 07 16:07:57 2014 +0200
@@ -320,7 +320,6 @@
         """cached group mapping"""
         return ss.group_mapping(self.cnx)
 
-    @cached
     def cstrtype_mapping(self):
         """cached constraint types mapping"""
         return ss.cstrtype_mapping(self.cnx)