[issue41289] '%' character in help= for argparse causes ValueError: incomplete format

[Eric V. Smith]

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

It's using normal %-formatting, so the rules applied are in https://docs.python.org/3/library/stdtypes.html#printf-style-string-formatting

The last line of the last table in that section mentions literal % characters. I realize it's sort of hard to dig this up if you're just interested in argparse.

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resolution:  -> not a bug

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<https://bugs.python.org/issue41289>
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