language: python
python:
  - "2.7"
  - "3.3"
  - "3.4"
  - "3.5"
  - "3.6"
install: pip install six; make install
script: make test

language: python
python:
  - "2.7"
  - "3.4"
  - "3.5"
  - "3.6"
  - "3.7-dev"
install: pip install six; make install
script: make test
# @see https://github.com/nickstenning/travis-pip-cache/issues/1
cache: pip

Test on Python 3.7 (and skip 3.3) + cache pip dependencies
Test on Python 3.7 (and skip 3.3) + cache pip dependencies
