machine:
  post:
    - pyenv global 2.7.9 3.2.5 3.3.3 3.4.2

test:
  override:
    - tox

machine:
  python:
    version: 2.7.9
  post:
    - pyenv global 2.7.9 3.2.5 3.3.3 3.4.2

test:
  override:
    - tox

Make machine default to py2.7
Make machine default to py2.7
