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
