[Zope] import pyexpat not known in zope 2.6?

Hello together I whould like import pyexpat a xml parser in a class. But pyexpat isn't known in zope. I use WinXP, Zope 2.6. Mit freundlichen Grüssen Roger Ineichen ___________________________ Projekt01 GmbH www.projekt01.ch Langackerstrasse 8 6330 Cham phone +41 (0)41 781 01 78 mobile +41 (0)79 340 52 32 fax +41 (0)41 781 00 78 email r.ineichen@projekt01.ch ___________________________ END OF MESSAGE