[issue37045] Implement PEP 591: add Final qualifier and @final decorator to typing

[Ivan Levkivskyi]

Change by Ivan Levkivskyi <levkivskyi at gmail.com>:


----------
keywords: +patch
pull_requests: +13479
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/13571

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37045>
_______________________________________