before_script:
  - echo "deb http://ftp.uk.debian.org/debian/ sid main" >> /etc/apt/sources.list  
  - apt-get update -qq && apt-get install -y -qq linux-user-chroot bubblewrap
  - apt-get install -y -qq python-dev python-pip
  - apt-get install -y -qq python2.7 python3.3 python3.4
  - pip install tox


testing:
  script:
    - tox