[Zope] Zope 2.8 and conflict errors

[Maciej Wisniowski]

>Assignments to "_v_" attributes (they are so called "volatile"
>attributes) do not change the persistent state and cannot cause
>conflicts.
>
>There must be some other modification to the procedure objects.
>
>  
>
I should have written:

"It's possibly because of _connect method in DCOracle2 SP.py.
It assigns values to self._v_proc, self.connection
and self.errors." So except '_v_proc' there are 'connection' 
and 'errors' variables that are being assigned to. 
Maybe this it's because of them.

-- 
Maciej Wisniowski