diff -r 10942ed172de -r 54b8a1f249fb misc/migration/bootstrapmigration_repository.py
--- a/misc/migration/bootstrapmigration_repository.py	Tue Sep 15 16:15:03 2015 +0200
+++ b/misc/migration/bootstrapmigration_repository.py	Tue Oct 13 15:09:22 2015 +0200
@@ -299,7 +299,7 @@
     with hooks_control(session, session.HOOKS_ALLOW_ALL, 'integrity'):
         for rschema in repo.schema.relations():
             rpermsdict = permsdict.get(rschema.eid, {})
-            for rdef in rschema.rdefs.itervalues():
+            for rdef in rschema.rdefs.values():
                 for action in rdef.ACTIONS:
                     actperms = []
                     for something in rpermsdict.get(action == 'update' and 'add' or action, ()):