language: python
python:
  - "3.6"
install:
  - pip install pipenv
  - pipenv install --dev
  - invoke -c build_tasks build-all
script:
  - invoke test

language: python
python:
  - "3.6"
  - "3.7"
install:
  - pip install pipenv
  - pipenv install --dev
  - invoke -c build_tasks build-all
script:
  - invoke test

Add Python 3.7 to CI
Add Python 3.7 to CI