The most-wanted features by Python developers are static typing and strict type hinting, closely followed by performance improvements, Python Software Foundation survey results reveal.

The pip3 reflects that I'm using Python 3, rather than Python 2. And the -U option indicates that I'd like to upgrade my installation of mypy, if the package has been updated since I last installed it ...

But when OpenStack went to evaluate a static code analysis tool to integrate into its continuous integration and continuous delivery systems, they couldn't find a product that dealt with Python.