Just reporting that I got this spurious error with Python 2.4,
mod_python 3.2.10, and ZODB 3.6. I don't see what I could be doing
wrong at the app level to cause it.
SystemError: object at 0x2aaab031dc00 with type
BTrees._OOBTree.OOBucket not in the cache despite that we just
unghostified it
--John