language: python
python:
  - "2.7"

sudo: false

install:
  - pip install -r requirements-dev.txt

script:
  - make test

language: python
python:
  - "2.7"
  - "3.6"

sudo: false

install:
  - pip install -r requirements-dev.txt

script:
  - make test

Add Python 3.6 to Travis test matrix.
Add Python 3.6 to Travis test matrix.
