[issue35726] QueueHandler formating affects other handlers

[Manjusaka]

Change by Manjusaka <lizheao940510 at gmail.com>:


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keywords: +patch, patch, patch
pull_requests: +11140, 11141, 11142
stage:  -> patch review

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35726>
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