Petr Viktorin <encu...@gmail.com> added the comment:
I got a report from a library that ties together asyncio and some other async
libraries, getting errors like this:
tests/test_taskgroups.py:60: in test_run_natively
module.run(testfunc())
/usr/lib64/python3.9/asyncio/runners.py:48: in run
loop.run_until_complete(loop.shutdown_default_executor())
uvloop/loop.pyx:1451: in uvloop.loop.Loop.run_until_complete
???
/usr/lib64/python3.9/asyncio/events.py:254: in shutdown_default_executor
raise NotImplementedError
E NotImplementedError
(more at: https://bugzilla.redhat.com/show_bug.cgi?id=1817681#c1 )
I'm not all that familiar with asyncio, but it seems to me that all event loops
inherited from BaseEventLoop must be updated to implement this new method to
correctly work with run() in Python 3.9. Is that right? If it is, this needs at
least a much more prominent What's New entry. Or the hard NotImplementedError
should turn into a warning.
----------
nosy: +petr.viktorin
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<https://bugs.python.org/issue34037>
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