[Zope] External method: import error

[Paul Chung Chee Soong]

Hi Zopiens! I'll start with one question... is Zope stable to use thus   
far?

Anyway, back to my problem. I have Zap (pre-built Zope with Apache)   
running on Red Hat 5.2 machine. I also put all my customize Python   
scripts in the Extensions directory of Zope.

Recently I wrote a script file to access a Postgres database and this   
file is called by other scripts whenever database access is needed. Now I   
got a problem of "importing" the database script from other scripts. Why   
so? I have tried to include the Extensions directory in the PYTHONPATH,   
but it doesn't work.

Thanks for any suggestion or solution given.

PauL ChunG