--- a/web/lib/django/db/models/signals.py	Wed May 19 17:43:59 2010 +0200
+++ b/web/lib/django/db/models/signals.py	Tue May 25 02:43:45 2010 +0200
@@ -12,3 +12,5 @@
 post_delete = Signal(providing_args=["instance"])
 
 post_syncdb = Signal(providing_args=["class", "app", "created_models", "verbosity", "interactive"])
+
+m2m_changed = Signal(providing_args=["action", "instance", "reverse", "model", "pk_set"])