New submission from Héctor Canto : I found a small typo here: https://docs.python.org/3.8/library/typing.html?highlight=typing#typing.NewT... I checked also in other 3.x versions and it is there too. Original: A helper function to indicate a distinct types to a typechecker, see NewType Possible solution (remove the "s" in types): A helper function to indicate a distinct type to a typechecker, see NewType ---------- assignee: docs@python components: Documentation messages: 369730 nosy: docs@python, hectorcanto priority: normal severity: normal status: open title: Typo in library/typing type: enhancement versions: Python 3.10, Python 3.5, Python 3.6, Python 3.7, Python 3.8, Python 3.9 _______________________________________ Python tracker https://bugs.python.org/issue40745 _______________________________________