Serhiy Storchaka added the comment: > Why? Many custom dict-like classes aren't.
And this is weird (issue10977). > Can you explain how? By patching Objects/dictobject.c of course. I suppose it should require changing about 400 lines of code, a little more than for IdentityDict. When you provides the specification perhaps I will provide a patch. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue18986> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com