[issue45497] Argparse: Refactor '%' interpolation to f-strings

[Eric V. Smith]

Eric V. Smith <eric at trueblade.com> added the comment:

As a rule, we don’t accept such wholesale changes. If there’s a performance problem, or a bug, then we’d look at individual cases.

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nosy: +eric.smith

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue45497>
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