argparse: when wrong choice is selected, the error message prints available choices using `repr()` instead of `str()`

[rindeal]

Bug report

Bug description:

I tried using StrEnum for choices and it printed choose from <Enum.FOO: 'foo'>, ... instead of choose from foo, .....

Fix in #117766

CPython versions tested on:

3.12

Operating systems tested on:

Linux

Linked PRs

• gh-86357: argparse: use str() consistently and explicitly to print choices #117766

[serhiy-storchaka]

This is actually a duplicate of #86357.

[rindeal]

This is actually a duplicate of #86357.

Good find. I've re-linked the PR and I'm closing this in favor of that issue.