install:
  - sudo apt-get install python3-dev luarocks npm
  - gem install rake
  - pip3 install setuptools
  - make
  - sudo luarocks make
  - python3 setup.py build
  - npm install
  - rake

before_install:
  - sudo apt-get install python3-dev pip3 luarocks npm
  - gem install rake
  - pip3 install setuptools

install:
  - make
  - sudo luarocks make
  - python3 setup.py install
  - npm install
  - rake

Add `pip3` to CI build.
Add `pip3` to CI build.
