language: python
python:
    - "2.6"
    - "2.7"
    - "3.3"
    - "3.4"
    - "3.5"
install: "pip install -r requirements.txt"
script: "python setup.py test"

language: python
python:
    - "2.6"
    - "2.7"
    - "3.3"
    - "3.4"
    - "3.5"
install: "python setup.py develop"
script: "python setup.py test"

Install deps with setup.py on Travis
Install deps with setup.py on Travis

This should make sure everything works when users run
`python setup.py install`.
