[docs] [issue42194] Docs for argparse.BooleanOptionalAction missing "New in version 3.9"

shangxiao <shang.xiao.sanders@gmail.com> added the comment: Here's the section in the docs for BooleanOptionalAction: https://docs.python.org/3.9/library/argparse.html#action ---------- title: BooleanOptionalAction missing "New in version 3.9" -> Docs for argparse.BooleanOptionalAction missing "New in version 3.9" _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue42194> _______________________________________