language: python
sudo: false
python:
  - "2.7"
  - "3.6"
# command to install dependencies
install: "pip install -r dev-requirements.txt"
# command to run tests
script: pytest

language: python
dist: xenial
sudo: false
python:
  - "2.7"
  - "3.7"
# command to install dependencies
install: "pip install -r dev-requirements.txt"
# command to run tests
script: pytest

Update Travis-CI to xenial and python 3.7.
Update Travis-CI to xenial and python 3.7.
