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bpo-41891: ensure asyncio.wait_for waits for task completion (GH-22461) (#23840)

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(cherry picked from commit 17ef4319a3)

Co-authored-by: Richard Kojedzinszky <rkojedzinszky@users.noreply.github.com>

Co-authored-by: Richard Kojedzinszky <rkojedzinszky@users.noreply.github.com>
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Miss Islington (bot) 2020-12-18 11:19:10 -08:00 • committed by GitHub
parent 14619924c3
commit 82dbfd5a04
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3 changed files with 66 additions and 1 deletions
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5
Lib/asyncio/tasks.py
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@ -471,7 +471,10 @@ async def wait_for(fut, timeout, *, loop=None):
return fut.result()
else:
fut.remove_done_callback(cb)
fut.cancel()
# We must ensure that the task is not running
# after wait_for() returns.
# See https://bugs.python.org/issue32751
await _cancel_and_wait(fut, loop=loop)
raise
if fut.done():