Funny enough, it was a fix for a bug in the software (gnome-blog I am using to write this post.
It was mostly a matter of figuring out what was failing–a GConf interface was failing when the app tried to store an integer–and then searching around Mark Pilgrim excellent (and freely-available) Dive Into Python.
If I was really together, I'd post a patch, but I didn't back up the original.