Another option would be to switch to Google code hosting (even
temporarily) -- they have a general commenting facility that lets you
comment either on the code or on specific changes that have been
checked in.
See http://google-code-updates.blogspot.com/2008/07/looks-good-to-me-source-code-review.html
for more.
--Guido
--
--Guido van Rossum (home page: http://www.python.org/~guido/)