[docs] [issue42589] doc: Wrong "from" keyword link in Exceptions doc

Change by miss-islington <mariatta.wijaya+miss-islington@gmail.com>: ---------- pull_requests: +24421 pull_request: https://github.com/python/cpython/pull/25730 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue42589> _______________________________________