build: {image: yourlabs/shlax, script: ./shlaxfile.py build, stage: build}
pypi:
  image: yourlabs/python
  only: [tags]
  script: ./shlaxfile.py pypi
  stage: deploy
test: {image: 'yourlabs/shlax:$CI_COMMIT_SHORT_SHA', script: ./shlaxfile.py test,
  stage: test}