[issue34679] asyncio.add_signal_handler call fails if not on main thread

[Kyle Stanley]

Change by Kyle Stanley <aeros167 at gmail.com>:


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keywords: +patch
pull_requests: +15163
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/15477

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34679>
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