path: root/Misc/NEWS.d/next/Library/2021-02-15-22-14-31.bpo-43234.F-vKAT.rst

Prohibit passing non-:class:`concurrent.futures.ThreadPoolExecutor`
executors to :meth:`loop.set_default_executor` following a deprecation in
Python 3.8. Patch by Illia Volochii.