Well, before, I had docstrings that describe the interface and what types it would accept. Now I do the same, more compactly and easier, using type hints. And s

Well, before, I had docstrings that describe the interface and what types it would accept. Now I do the same, more compactly and easier, using type hints. And since it's machine readable, linters can how help you to identify some simple problems. I think it's a win all around. I think the right way to look at type annotations is as part of the documentation, not as part of the code.