This doesn't bother Python, but it should bother you, either because the type annotation needs to be loosened up, or because (as in this case), it's calling the function with the wrong type of ...

Guido van Rossum, best known as designer of the Python programming language, recently sent out a proposal on the python-ideas mailing list for adding type annotations to Python function declarations.

Mypy, Pytype, Pyright, and Pyre can help you keep your type-hinted Python code bug-free. Let’s see what each of these useful tools has to offer.

A new open source VS Code extension called pyright has been created as a Microsoft 'side project' to improve on current offerings for static type checking for the Python programming language.

Python comes with a collection of built-in data types that make common data-wrangling operations easy. Among them is the list, a simple but versatile collection type.

Positron is Posit's new, free IDE for data science. Users can work with Python and R. It explicitly does not replace RStudio.