Python-RSA version 3.1.1 has been released. A lot of things have been improved, thanks to Yesudeep Mangalapilly.
Much, much faster
Compatibility with Python 3.2
Lot of bug fixes
Check the Python-RSA page for more information!
Observant readers may have noticed that I snuck in a tiny minor release. Version 3.1.1 introduces full Python 3.2 compatibility for the key saving/loading stuff as well, and fixes some doctests for Python 2.7. Nothing in the actual RSA stuff was changed.