[issue46771] Add some form of cancel scopes

[Guido van Rossum]

Guido van Rossum <guido at python.org> added the comment:


New changeset f537b2a4fb86445ee3bd6ca7f10bc9d3a9f37da5 by Andrew Svetlov in branch 'main':
bpo-46771: Implement asyncio context managers for handling timeouts (GH-31394)
https://github.com/python/cpython/commit/f537b2a4fb86445ee3bd6ca7f10bc9d3a9f37da5


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