Mypy

tox.ini

@@ -42,4 +42,4 @@ deps = mypy==1.3
 # mypy gives different results if you actually install the stuff before you check it
 # don't cache anything, will be slower, but each run should be clean
 # this also stops weirdness around sharing cache with other instances of mypy
-commands = mypy --no-incremental --config-file=mypy.ini
+commands = mypy --cache-dir="{envdir}/mypy_cache" --config-file=mypy.ini