> The changes you need to make to a Python program to enable it to be type checked result in more bugs being added than the type checker removes leaving you at

> The changes you need to make to a Python program to enable it to be type checked result in more bugs being added than the type checker removes leaving you at a net negative. This claim doesn't make sense to me. Assuming mypy is regularly run as part of CI, why would adding type annotations cause more bugs than leaving it off?