I think it's interesting that PEP 484 says ([1]): "the authors have no desire to ever make type hints mandatory, even by convention," while the opening of thi

I think it's interesting that PEP 484 says ([1]): "the authors have no desire to ever make type hints mandatory, even by convention," while the opening of this article says "type hints have grown from a nice-to-have to an expectation for popular packages." Things don't always work out the way the PEP authors expect. [1]: https://www.python.org/dev/peps/pep-0484/ https://www.python.org/dev/peps/pep-0484/