[issue29255] selects.KqueueSelector behaves incorrectly when no fds are registered

[Russell Davis]

Change by Russell Davis <russell.davis at gmail.com>:


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keywords: +patch
pull_requests: +18860
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/19508

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue29255>
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