Top mypy issues

MyPy gives error “Missing return statement” even when all cases are tested

feature topic-pep-484

Why is "incompatible with supertype" an error?

needs discussion priority-2-low

mypy bug with try/except conditional imports

false-positive feature priority-1-normal

Switch to pytest from our homegrown test runner

feature priority-0-high topic-tests

Use plugin to support numpy

needs discussion priority-1-normal topic-plugins

Typed dicts with missing keys

priority-0-high topic-typed-dict

Mypy fails on `Union[float, int] + Union[float, int]`

bug false-positive priority-1-normal topic-union-types

Ignoring an entire file

feature topic-pep-484

type refinement in function call

feature priority-1-normal topic-literal-types

Idiomatic isinstance(x, List[T])

feature priority-2-low