pytype is described as 'Pytype checks and infers types for your Python code - without requiring type annotations' and is an app in the development category. There are three alternatives to pytype for Mac, Windows, Linux and Python. The best pytype alternative is pyanalyze, which is both free and Open Source. Other great apps like pytype are Pyre - Type Checker and Mypy.
Pyanalyze is a semi-static type checker for Python code. Like a static type checker (e.g., mypy or pyright), it detects type errors in your code so bugs can be found before they reach production. Unlike such tools, however, it imports the modules it type checks, enabling...
Mypy is an optional static type checker for Python that aims to combine the benefits of dynamic (or "duck") typing and static typing. Mypy combines the expressive power and convenience of Python with a powerful type system and compile-time type checking.
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