[issue36692] Unexpected stderr output from test_sys_settrace

[hai shi]

hai shi <shihai1991 at 126.com> added the comment:

It looks like setstrace function trigger this codeline: https://github.com/python/cpython/blob/master/Modules/_asynciomodule.c#L2618

Looks we can use set_exception_handler() to catch this error, but i am not sure it is worth catching this error through adding  a extended exception hander.

so, Nick, what's your thought?

REF: https://github.com/python/cpython/blob/master/Lib/asyncio/base_events.py#L1627

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nosy: +shihai1991

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