In the improved error message [0] how are they able to tell nested attributes without having a big impact in performance? Or maybe this has a big impact on performance, then using exceptions for control flow is deprecated?
...
print(container.area)
> AttributeError: 'Container' object has no attribute 'area'. Did you mean: 'inner.area'?
[0] -- https://docs.python.org/3.15/whatsnew/3.15.html#improved-err...