[Zope-CMF] [DCWorkflow]Problem with initial state

[Encolpe Degoute]

Hi,
I found something funny yesterday that makes me spend some hours:
If you delete the state marked as initial state the variable initial_sate always
contains its id.

It makes _exectuteTransition raising an error because _getWorkflowStateOf return
None.

The code of _executeTransition that gives me headaches:

        old_sdef = self._getWorkflowStateOf(ob)
        old_state = old_sdef.getId()

Regards,
-- 
Encolpe DEGOUTE
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