[issue38981] better name for re.error Exception class.

[Gregory P. Smith]

Gregory P. Smith <greg at krypto.org> added the comment:

Strictly speaking not all of those _need_ to be touched given the old name is always going to exist for backwards compatibility.  But I agree that we should update them as part of this regardless.

I'd go forward with a PR.

The only fallout I expect a change like this to have on users is in the very odd test scenario where someone has hardcoded the error name in a string.  That is rare, especially for an re.error which is generally not an expected exception.

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nosy: +gregory.p.smith

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38981>
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