[issue39849] Compiler warninig: warning: variable ‘res’ set but not used [-Wunused-but-set-variable]

[hai shi]

Change by hai shi <shihai1991 at 126.com>:


----------
keywords: +patch
nosy: +shihai1991
nosy_count: 2.0 -> 3.0
pull_requests: +18947
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/19615

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39849>
_______________________________________