Mypy and the PEP 484 (Type Hinting) DraftUpdates about mypy, an optional static type checker for Python Guido van Rossum just yesterday announced that the first draft of PEP 484 is available for review. This Python Enhancement Proposal defines a standard type annotation syntax, which is heavily inspired by mypy, for type hinting. The plan is to get it included in Python 3.5. I've been contributing to the design and editing process and am
