Tim Peters wrote: > I can detect no sense in which do need to be run (not just one or two, > but lots of them). It's easy to reproduce. First, disable the GC. Next, run: regrtest.py test_descr test_gc My wild guess is that some tp_clear method is not doing it's job. I'll take a closer look tomorrow if someone hasn't figured it out by then. Must sleep. Too much CS. Neil