[3.12] gh-122311: Add more tests for pickle (GH-122376)#122378

serhiy-storchaka merged 1 commit into

python:3.12python/cpython:3.12from

serhiy-storchaka:backport-bc93923-3.12serhiy-storchaka/cpython:backport-bc93923-3.12Copy head branch name to clipboard