[issue37307] isinstance/issubclass doc isn't clear on whether it's an AND or an OR.

[Franklin? Lee]

Franklin? Lee <leewangzhong at gmail.com> added the comment:

> > It's likely also false that every entry will be checked, since presumably the function uses short-circuit logic.

> This, however, would be good to verify first.

Verified.
https://github.com/python/cpython/blob/36dcaab7fde5d2e54cdeff5b705b5adcb27726dd/Objects/abstract.c#L2517

It loops through the tuple until it finds success or error.

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<https://bugs.python.org/issue37307>
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