[docs] [issue42669] "except" documentation still suggests nested tuples are allowed

Change by miss-islington <mariatta.wijaya+miss-islington@gmail.com>: ---------- pull_requests: +22732 pull_request: https://github.com/python/cpython/pull/23870 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue42669> _______________________________________