language: python
python:
  - "2.7"
  - "3.3"
  - "3.4"
  - "3.5"
install:
  - pip install -e .[test]
script:
  - py.test tests

language: python
python:
  - "2.7"
  - "3.3"
  - "3.4"
  - "3.5"
install:
  - pip install -e .[test]
script:
  - flake8 .
  - py.test tests

Add flake8 to Travis CI config
Add flake8 to Travis CI config