[issue39871] math.copysign raises SystemError with non-float x and custom y

[Mark Dickinson]

Mark Dickinson <dickinsm at gmail.com> added the comment:

Zackery: Thanks for the fix! Now merged and backported to 3.8 and 3.7.

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resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue39871>
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