Function update_unicode_error_attrs

crates/vm/src/codecs.rs:1113–1126

(
    err: &PyObject,
    start: usize,
    end: usize,
    reason: Option<&str>,
    vm: &VirtualMachine,
)

}

fn update_unicode_error_attrs(
    err: &PyObject,
    start: usize,
    end: usize,
    reason: Option<&str>,
    vm: &VirtualMachine,
) -> PyResult<()> {
    err.set_attr("start", start.to_pyobject(vm), vm)?;
    err.set_attr("end", end.to_pyobject(vm), vm)?;
    if let Some(reason) = reason {
        err.set_attr("reason", reason.to_pyobject(vm), vm)?;
    }
    Ok(())
}

#[inline]
fn is_encode_err(err: &PyObject, vm: &VirtualMachine) -> bool {