language: python
python:
    - "3.4"
sudo: false
install:
    - pip install -r requirements.txt
script:
    - python runtests.py

language: python
python:
    - "3.4"
sudo: false
install:
    - pip install -r requirements.txt
    - pip install pyflakes
script:
    - pyflakes runtests.py delivery evaluation
    - python runtests.py

Add pyflakes to Travis CI
Add pyflakes to Travis CI
