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bpo-34790: Implement deprecation of passing coroutines to asyncio.wait() #16977

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Merged
asvetlov merged 5 commits into from
Dec 30, 2019
+28 −5
Merged

bpo-34790: Implement deprecation of passing coroutines to asyncio.wait() #16977

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6e30ac4
Implement deprecation of passing coros to asyncio.wait()
aeros Oct 29, 2019
b441b27
Add 3.9 whatsnew entry
aeros Oct 29, 2019
42caba2
Fix deprecation message
aeros Oct 29, 2019
0e89978
Add self.assertWarns()
aeros Oct 29, 2019
9a1d2bb
Trim comments
aeros Oct 29, 2019
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Fix deprecation message
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@aeros
aeros committed Oct 29, 2019
commit 42caba2594593ca1f8e64f9e951a9291ed7fcd5b
7 changes: 4 additions & 3 deletions Lib/asyncio/tasks.py
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Expand Up @@ -422,9 +422,10 @@ async def wait(fs, *, loop=None, timeout=None, return_when=ALL_COMPLETED):
DeprecationWarning, stacklevel=2)

if any(coroutines.iscoroutine(f) for f in set(fs)):
warnings.warn("Passing coroutines objects to asyncio.wait() is "
"deprecated since Python 3.8, and scheduled for removal "
"in Python 3.11", DeprecationWarning)
warnings.warn("The explicit passing of coroutine objects to "
"asyncio.wait() is deprecated since Python 3.8, and "
"scheduled for removal in Python 3.11.",
DeprecationWarning, stacklevel=2)

fs = {ensure_future(f, loop=loop) for f in set(fs)}

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