Hi, Zope is started with the -D option. in Zope-2.4.1 external python methods are not reloaded, when they change on the filesystem. That works at least up to 2.3.3 I don't have a 2.4.0 system running to test it. Mit freundlichen Grüßen Joachim Schmitz AixtraWare, Ing. Büro für Internetanwendungen Hüsgenstr. 33a, D-52457 Aldenhoven Telefon: +49-2464-8851, FAX: +49-2464-905163