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[3.14] gh-148091: clarify asyncio.Future.cancel(msg) behaviour (GH-148248) #148299

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kumaraditya303 merged 1 commit into from
Apr 9, 2026
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[3.14] gh-148091: clarify asyncio.Future.cancel(msg) behaviour (GH-148248) #148299

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gh-148091: clarify asyncio.Future.cancel(msg) behaviour (GH-148248) 
(cherry picked from commit 2acb8d9)

Co-authored-by: Manoj K M <136242596+manoj-k-m@users.noreply.github.com>
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@miss-islington
Manoj K M authored and miss-islington committed Apr 9, 2026
commit a78fc89d9de1751bc2bcabf4a831a72f62d3a152
4 changes: 4 additions & 0 deletions Doc/library/asyncio-future.rst
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Expand Up @@ -196,6 +196,10 @@ Future Object
Otherwise, change the Future's state to *cancelled*,
schedule the callbacks, and return ``True``.

The optional string argument *msg* is passed as the argument to the
:exc:`CancelledError` exception raised when a cancelled Future
is awaited.

.. versionchanged:: 3.9
Added the *msg* parameter.

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