[issue30570] issubclass segfaults on objects with weird __getattr__

[Carl Friedrich Bolz-Tereick]

Carl Friedrich Bolz-Tereick <cfbolz at gmx.de> added the comment:

PyPy raises a RecursionError here, which sounds like an ok outcome. So simply checking for the recursion would also be a way of fixing this...

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nosy: +Carl.Friedrich.Bolz

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue30570>
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