[issue32157] Remove explicit quotes around %r and {!r}

[Ethan Furman]

Ethan Furman <ethan at stoneleaf.us> added the comment:

Yup, I sure did.  :/

Looks like a good change to me.  Are these the only instances of quotes used with %r?

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue32157>
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