Add MyPy to your build process (or just your local editing setup) and you can: http://mypy-lang.org/ http://mypy-lang.org/ (Disclaimer: I've not used it, I ju

Add MyPy to your build process (or just your local editing setup) and you can: http://mypy-lang.org/ http://mypy-lang.org/ (Disclaimer: I've not used it, I just think it's a reasonable idea.)