[docs] [issue39691] Allow passing Pathlike objects to io.open_code

Change by miss-islington <mariatta.wijaya+miss-islington@gmail.com>: ---------- nosy: +miss-islington nosy_count: 4.0 -> 5.0 pull_requests: +19158 pull_request: https://github.com/python/cpython/pull/19840 _______________________________________ Python tracker <report@bugs.python.org> <https://bugs.python.org/issue39691> _______________________________________