Kapil Thangavelu writes: > Dieter Maurer wrote: > > Try: (ob __of__ self).manage_addB(....) > > whats is ob__of__self ??? > > acquisition at its best? No, it was simply too late in the day. It should have been "(ob.__of__(self)).manage_addB(...)". The "ob.__of__(self)" is "ob" in the context of "self". Dieter