image: python:3.6 stages: - test before_script: - pip install tox python35: image: python:3.5 stage: test script: tox -e py35 python36: image: python:3.6 stage: test script: tox -e py36 python37: image: python:3.7 stage: test script: tox -e py37 linters: stage: test script: tox -e linters allow_failure: true