--- a/misc/migration/3.5.3_Any.py	Wed Sep 30 16:06:04 2009 +0200
+++ b/misc/migration/3.5.3_Any.py	Wed Sep 30 16:06:52 2009 +0200
@@ -1,2 +1,4 @@
 sync_schema_props_perms('state_of')
 sync_schema_props_perms('transition_of')
+
+add_attribute('BaseTransition', 'type')