language: python
matrix:
  include:
    - python: 3.5
    - python: 3.6
    - python: 3.7
      dist: xenial
      sudo: true
install:
  - ./scripts/build
script:
  - ./scripts/test

language: python
matrix:
  include:
    - python: 3.5
    - python: 3.6
    - python: 3.7
    - python: 3.8
      dist: xenial
      sudo: true
install:
  - ./scripts/build
script:
  - ./scripts/test

Add python 3.8 to test matrix
Add python 3.8 to test matrix
