off the top of my head there's pytypes¹ and typeguard² – both look at type annotations and enforce them at runtime. ¹ https://github.com/Stewori/pytypes/ https

off the top of my head there's pytypes¹ and typeguard² – both look at type annotations and enforce them at runtime. ¹ https://github.com/Stewori/pytypes/ https://github.com/Stewori/pytypes/ ² https://github.com/agronholm/typeguard https://github.com/agronholm/typeguard