If there is it'll be here!

http://www.python.org/cgi-bin/moinmoin/PythonHosting

Hope you find what your looking for.

if not. I recoment Ipowerweb, there not free, nor do they actually say they have Python on there servers, but they do, 2.2 is the latest version they have installed but if you ask real nivce they might go for 2.3

take care,

Mark