Eric Snow <ericsnowcurren...@gmail.com> added the comment:
FWIW, subclassing builtin types is a relatively new thing. There are still a number of lingering (older) implementation details throughout CPython that were written assuming no subclassing. I'd guess that this is one of them. ---------- nosy: +eric.snow stage: -> test needed type: -> behavior _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue35983> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com