[3.8] bpo-38979: fix ContextVar "__class_getitem__" method (GH-17497)#17507

miss-islington merged 1 commit into

python:3.8python/cpython:3.8from

miss-islington:backport-28c9163-3.8miss-islington/cpython:backport-28c9163-3.8Copy head branch name to clipboard