[docs] [issue31369] re.RegexFlag is not included in __all__

Cheryl Sabella <cheryl.sabella@gmail.com> added the comment: @ethan.furman, since you had originally added RegexFlag in #28082, do have an opinion on this? Thanks. ---------- nosy: +cheryl.sabella, ethan.furman versions: +Python 3.8 -Python 3.6 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue31369> _______________________________________