Serhiy Storchaka <storchaka+cpyt...@gmail.com> added the comment: This optimization caused a behavior change:
Python 3.5: >>> set().difference([[]]) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: unhashable type: 'list' Python 3.6: >>> set().difference([[]]) set() ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue28071> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
