[issue41366] sign-conversion warning in 3.9 beta

[miss-islington]

Change by miss-islington <mariatta.wijaya+miss-islington at gmail.com>:


----------
nosy: +miss-islington
nosy_count: 3.0 -> 4.0
pull_requests: +20739
pull_request: https://github.com/python/cpython/pull/21600

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41366>
_______________________________________