An invisible framework for enforcing type checking at runtime.
Invis is an invisible framework which purpose is to enforce type checking of both builtins as well as user defined types at runtime. It is distributed as a single file with no extra dependencies other than the Python Standard Library (>= 3.7).
pip install invis
A comprehensive tutorial on how to use the framework can be found here
A discussion about the project, held on reddit's algotrading subforum, can be found here
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.