language: python
python:
  - "3.5"
  - "3.6"
  - "3.7"
script: "scripts/cibuild"

dist: xenial
language: python
python:
  - "3.5"
  - "3.6"
  - "3.7"
script: "scripts/cibuild"

Switch to xenial by default
Switch to xenial by default
