[Zope] Products and Zope 2.3

[iap_y2fun.com]

I can't import EventFolder due to "tuple have no method 'append'" error.
I am not sure if someone else encountered the same problem?

Iap, Singuan

> This brings up the question: are there any significant products that don't
> yet work with Zope 2.3?
>
> David Trudgett