[issue34573] Simplify __reduce__() of set and dict iterators.

[Sergey Fedoseev]

Change by Sergey Fedoseev <fedoseev.sergey at gmail.com>:


----------
keywords: +patch
pull_requests: +8512
stage:  -> patch review

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34573>
_______________________________________