[issue37893] pow() should disallow inverse when modulus is +-1

[Mark Dickinson]

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

> While I doubt this, he may even argue that it's working correctly already ;-)

Yes, I'd argue exactly that. There's nothing ill-defined about working modulo +/-1. Z/1Z is a perfectly-well-defined ring. What's the motivation for this change?

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue37893>
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