anatoly techtonik added the comment: +or None if this is the first frame (at the bottom of the stack);
I'd avoid top/bottom altogether, but if it is what is needed to reach the consensus then I am fine with that. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue17494> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com