It can be fun when talking several subjects in the same post <g>. In this case, it was just a matter of thinking about what the main question was about unit testing code that also required other production packages, but with the caveats that he didn't want to duplicate packages just to test code or hack around during testing, then have to change the test code when it was time to add to production code (which may introduce more errors that the testing would not find).
CVS just found it's way from one of the suggestions as a side note in reply to a minor point about how to keep track of test code without messing with/duplicating production code. -- http://mail.python.org/mailman/listinfo/python-list