Simplified travis builds and added new build for python3.7 (!952) · Merge requests · Duncan Macleod / gwpy · GitLab

Duncan Macleod requested to merge github/fork/duncanmmacleod/travis-3.7 into develop Oct 30, 2018

This PR simplifies the .travis.yml configuration, removing the extra apt addons, and adds a python3.7 build using https://github.com/travis-ci/travis-ci/issues/9069#issuecomment-425720905.