I had some ideas about making python easier to debug, and wrote them up
Don't know yet if I'll actually be able to implement that stuff.
I'm also looking at better tracking of heap usage:
likewise, am currently blocked on a systemtap bug 
Talking of systemtap, the systemtap/python integration work is partially
and the demo here:
but it's waiting on a new systemtap release: 
Anyone else got ideas/requests for making it easier to debug Python