|Real Python (@realpython)|
📺🐍 Cool New Features in Python 3.8
I'm learning a lot about my previously sketchy designs and potential problems with some of them. There are a number of things in Python which "work" in a vague hand-wavey way. But they don't work in a "I can convince mypy this will work" way.
The additional "convince mypy" rigor can separate potentially sketchy design from an unassailable design.