[Docs-bugs] [issue47235] Clarify that `assret_called_once_with` sample code is intended typo

Change by miss-islington <mariatta.wijaya+miss-islington@gmail.com>: ---------- nosy: +miss-islington nosy_count: 3.0 -> 4.0 pull_requests: +30415 pull_request: https://github.com/python/cpython/pull/32367 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue47235> _______________________________________