Fix travis Python 3 on osx
@@ -93,11 +93,12 @@ jobs:
- stage: SimTests
os: osx
- language: generic
- python: 3.6
+ osx_image: xcode11.2
+ language: shell
+ python: 3.7
before_install: *osx_prep
script:
- - tox -e py36
+ - tox -e py37
- stage: SimTests
python: 3.7
