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bpo-24638: Improve the error message in asyncio.ensure_future() (#12848)

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Zackery Spytz 2019-05-03 09:35:26 -06:00 • committed by Andrew Svetlov
parent ceb842e155
commit 4737b923df
2 changed files with 11 additions and 1 deletions
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3
Lib/asyncio/tasks.py
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@ -628,7 +628,8 @@ def ensure_future(coro_or_future, *, loop=None):
return task
elif futures.isfuture(coro_or_future):
if loop is not None and loop is not futures._get_loop(coro_or_future):
raise ValueError('loop argument must agree with Future')
raise ValueError('The future belongs to a different loop than '
'the one specified as the loop argument')
return coro_or_future
elif inspect.isawaitable(coro_or_future):
return ensure_future(_wrap_awaitable(coro_or_future), loop=loop)