[Zope-PTK] 'nother failed PTK install.

[Bruce Perens]

I am running zope-2.1.3-1 from Debian's frozen pre-release.

I got PTKBase and PTKDemo to install but when loading DemoPortal.zexp
"Interfaces" is undefined. Has anyone else seen this and can you give
me a clue what to do?

	Thanks

	Bruce