Check for type consistency for `PyUnicodeError` API

[picnixz]

Feature or enhancement

Proposal:

This is a follow-up to #123380 (comment).

The idea is to add assertion type-checks when calling helper functions on unicode objects:

    assert(PyObject_TypeCheck(exc, (PyTypeObject*)&PyExc_UnicodeError));

Has this already been discussed elsewhere?

This is a minor feature, which does not need previous discussion elsewhere

Links to previous discussion of this feature:

No response

Linked PRs

• gh-127691: add type checks when using PyUnicodeError objects #127694

[encukou]

Thank you for the fix!
Do you want to add more, or should we close the issue?

[picnixz]

I don't think I'll add more for this specific task. If I find something else I forgot, I'll just reuse it. I'll close this one as completed. Thanks for the merge!