test:
  pre:
    - pyenv shell 2.6.8 2.7.9 3.3.3 3.4.2 pypy-2.4.0

test:
  pre:
    - pyenv global 2.6.8 2.7.9 3.3.3 3.4.2 pypy-2.4.0

Switch to global pyenv configuration on Circle
Switch to global pyenv configuration on Circle
