Malthe Borch organized a session about „Otto“, his and Jeroen’s approach to make Python Web Framework programming fun again mainly be reinventing the wheel. But give it a listen yourself:
[audio:http://mrtopf.de/files/otto.mp3](It started by Malthe explaining that repoze.bfg was born out of forking Zope3 packages to make them work in your environment and then noticing that you don’t need them and throwing them out again or something along those lines)