mxDateTime on Mac: Fatal Python Error

[contact at alanlittle.org]

I'm trying to get mxDateTime working on a Mac so that I can use pyscopg
and cx_Oracle. The Egenix base package builds and installs quite
happily, but then when I try to import it I get

>> import mx.DateTime
Fatal Python error: Interpreter not initialized (version mismatch?)
Abort

... any ideas?

Environment:

OS X 10.3.8
sys.version: '2.3 (#1, Sep 13 2003, 00:49:11) \n[GCC 3.3 20030304
(Apple Computer, Inc. build 1495)]'
egenix-mx-base-2.0.6