[issue45278] RuntimeError on race on weakset concurrent iteration

[Serhiy Storchaka]

Change by Serhiy Storchaka <storchaka+cpython at gmail.com>:


----------
components: +Library (Lib)
nosy: +fdrake, pitrou, serhiy.storchaka
versions: +Python 3.10, Python 3.11, Python 3.9

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45278>
_______________________________________