Go back to tracking the latest mypy release.
Our bug (https://github.com/python/mypy/issues/4069) was fixed in the
mypy-0.540 release.
@@ -9,7 +9,7 @@ addons:
packages:
- python3-pip
install:
- - pip3 install --user --upgrade mypy==0.521 flake8
+ - pip3 install --user --upgrade mypy flake8
- travis_wait ./check-rustfmt.sh --install
script: ./test-all.sh
cache:
