[issue44219] Opening a file holds the GIL when it calls "isatty()"

[Łukasz Langa]

Change by Łukasz Langa <lukasz at langa.pl>:


----------
pull_requests: +26681
pull_request: https://github.com/python/cpython/pull/28261

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue44219>
_______________________________________