+matrix:
+ include:
+ - python: "2.7"
+ env: TOXENV=py27
+ - python: "3.3"
+ env: TOXENV=py33
+ - python: "3.4"
+ env: TOXENV=py34
+ - python: "3.5"
+ env: TOXENV=py35
+ - python: "3.6"
+ env: TOXENV=py36
+ - python: "2.7"
+ env: TOXENV=py27-flake8
+ - python: "3.4"
+ env: TOXENV=py34-flake8