[issue32999] issubclass(obj, abc.ABC) causes a segfault

[Alexey Izbyshev]

Alexey Izbyshev <izbyshev at ispras.ru> added the comment:

OK, making a new implementation behave as the old one is fine with me too.

BTW, do TypeErrors related to weak references deserve any treatment? Isn't it a kind of coincidence that the error raised due to usage of WeakSet in issubclass(obj, ABC) is what we expect? (Sorry, I'm not familiar with WeakSets).

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32999>
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