[Zope] pb upgrading Zope 2.5.0 -> 2.6.1

[Josef Meile]

> Nicolas LAURANCE wrote at 2003-3-30 12:06 +0200:
> > ...
> > I have developped a website under zope 2.5.0, mostly w/ dtml a python
> > scripts.
> > It is based on zclass defined in products (not external products)
> > 3 of them were imported without pbs under Zope 2.6.1, but one of them
(that
> > has nothing special), when I import it raises :
> >
> > Error Type: ImportError
> > Error Value: No module named iclass

> A well known problem with a known solution.

> Please search the mailing list archives to find it.
> > ....
You can take a look at my how-to. I made it moths ago,
when I made my update:
http://www.zope.org/Members/jmeile/upgradingZope

Regards,
Josef.