[issue41838] Value error is showing in docset python (class)

[Eric V. Smith]

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

It would be helpful if you can:
- simplify the example
- attach the simplified code to this issue
- show how the code runs with no errors, and how you invoke it
- show how you invoke the code when it does have errors

Please do no attach images: they are not friendly to users using accessibility software, and they're impossible to copy/paste/search.

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nosy: +eric.smith

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41838>
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