Message 129804 - Python tracker
> Being able to pickle unbound methods is important. In my project I have > objects that refer to unbound methods. Now these objects are > unpickleable. I can't save them to disk and I can't use the > multiprocessing module on them. That's a big problem. Judging from all that has been said on this issue, I think the best you can do now is try to whip up a patch and upload it if it ends up not too hackish.