213a214
> cls._instantiated = False # really instantiated or subclassed
227a229
> base._instantiated = True
301a304,309
> if (isSimObject(value) or isSimObjSequence(value)) \
> and cls._instantiated:
> raise AttributeError, \
> "Cannot set SimObject parameter '%s' after\n" \
> " class %s has been instantiated or subclassed" \
> % (attr, cls.__name__)
388a397,398
> self.__class__._instantiated = True
>