Just as a bit of a followup, I have fixed the problem in my code. I changed the order of some of the imports in some other modules.
What I was doing was more guesswork and good luck ... but it works. I really wonder if there is a better way to figure these problems out. Reading a few of the other discussions on the 'net about this it seems that I'm not the 1st to get hit with the problem ... and the solutions I find aren't any prettier than mine :) -- http://mail.python.org/mailman/listinfo/python-list
