sudo: false
language: python
python:
    - "2.7"
    - "3.6"
    - "3.7"
install: pip install tox-travis
script: tox

dist: xenial
sudo: required
language: python
python:
    - "2.7"
    - "3.6"
    - "3.7"
install: pip install tox-travis
script: tox

Fix Travis CI to add python 3.7 support
Fix Travis CI to add python 3.7 support
