A couple of months ago, there was a brief stir in the PostgreSQL community about the state of the Python drivers and there being too many of them. While we can't really do much anymore about there being too many, the most popular driver, Psycopg, has since had a revival:
Of course, this doesn't yet fix every single bug that has been mentioned, but it ought to be the foundation for a viable future. The mailing list has been quite active lately, and the Git repository has seen a bunch of commits, by multiple developers. So if you have had issues with Psycopg, get involved now. And thanks to all who have made this "revival" happen.