.travis.yml

language: python            # this works for Linux but is an error on macOS or Windows

python:
  - 3.8

before_install:
  - pip install -U pip
  - pip install -U pytest
  - pip install -U codecov

install:
  - pip install .

# 'python' points to Python 2.7 on macOS but points to Python 3.8 on Linux and Windows
# 'python3' is a 'command not found' error on Windows but 'py' works on Windows only
script: pytest --pyargs bisip
after_sucess: codecov