[3.10] bpo-45680: Improve docs on subscriptions w.r.t. `GenericAlias` objects (GH-29479)#31743

Merged

miss-islington merged 1 commit intopython:3.10from

miss-islington:backport-5073129-3.10

Mar 8, 2022

Commits on Mar 8, 2022

bpo-45680: Improve docs on subscriptions w.r.t. `GenericAlias` objects (GH-29479)

AlexWaygood
authored and
miss-islington
committed