python-greenlet/greenlet — comment on commit 5fd593c29b860512af0143315096f7b797a0c0fa
File:  line 0
By schmir:

Thanks for the explanation again. I think the offset guessing would have been solvable (especially given the failing test case).
I may contact python-dev about the issue (since allocation finalizers on the heap makes all tests pass).
I should spent my time on preparing the next release...