New SIG on logic/CLP programming in Python

[Robin Becker]

In article <da69ff6a.0203222241.405fd8a0 at posting.google.com>, Peter
Norvig <peter at norvig.com> writes
>I have some simple, inefficient CSP code in Python at
>http://www.norvig.com/python/csp.html
>
>Includes fintie domain backtracking search (with optional forward
>checking, domain ordering, and variable ordering); hill-climbing
>min-conflicts search; examples from map coloring, n-queens, and the
>zebra puzzle.
>
>-Peter
>
OK I searched and found the search.py and utils.py files at 

http://www.norvig.com/python

does the use of generators imply that I need Python 2.2? 
-- 
Robin Becker