test: add type hint test using mypy

warpnet / salt-lint

A command-line utility that checks for best practices in SaltStack.

https://salt-lint.readthedocs.io/en/latest/

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test: add type hint test using mypy #241

Closed roaldnefs closed 3 years ago

roaldnefs commented 3 years ago

After dropping the Python 2.7 support in #239, Python type hint can be used. This PR will add a mypy type hint test using tox and fixes all required type hint to allow the new test to pass.