Mariatta Wijaya added the comment: Hi, isn't it documented here? https://docs.python.org/3.7/library/pickle.html#pickle.Pickler
"If a negative number is specified, HIGHEST_PROTOCOL is selected." ---------- nosy: +Mariatta _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue28917> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
