language: "python"
matrix:
  include:
  - python: 2.7
    dist: trusty
  - python: 3.4
    dist: trusty
  - python: 3.5
    dist: trusty
  - python: 3.6
    dist: trusty
  - python: 3.7
    dist: xenial
  - python: pypy
    dist: trusty
install:
  - "make reqs"
script:
  - "make test"

language: "python"
matrix:
  include:
  - python: 2.7
  - python: 3.4
  - python: 3.5
  - python: 3.6
  - python: 3.7
    dist: xenial
    sudo: true
  - python: pypy
install:
  - "make reqs"
script:
  - "make test"

Build with sudo: true for Python 3.7
Build with sudo: true for Python 3.7
