Gilles Peskine c3b178768f Use can_mypy rather than just checking for mypy
As indicated in the comments in the can_mypy function, we don't just
need a mypy executable to be present, we need it to work.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
2021-01-19 21:43:24 +01:00
..
2020-12-10 21:30:01 +01:00