env:
    - ARCH=x86
language: python
sudo: false
python:
    - "3.5"
cache:
  directories:
    - "$HOME/.pip-cache/"
    - "/home/travis/virtualenv/python3.5"
install: 
    - "pip3 install pyflakes --cache-dir $HOME/.pip-cache"
script:
    - "pyflakes ."