Add ModuleNotFoundError for Python >= 3.6 (#1083)
Add ModuleNotFoundError for Python >= 3.6 (#1083)

https://github.com/python/cpython/blob/6f0eb93183519024cb360162bdd81b9faec97ba6/Objects/exceptions.c#L707
https://docs.python.org/3/library/exceptions.html#ModuleNotFoundError
azag0/typeshed,li-dan/typeshed,euresti/typeshed