machine:
  python:
    version: 3.5.0

dependencies:
  pre:
    - sudo apt-get install redis-server
  override:
    - pip install --upgrade -r requirements.txt
    - pip install tox

test:
  pre:
    - pyenv versions
    - pyenv global 2.7.10 3.4.3 3.5 pypy-2.5.0
  override:
    - tox -e circleci_27,circleci_34,circleci_35,circleci_pypy