language: python
python:
  - "3.6"
  - "3.7"
  - "3.8"
  - "3.9-dev"
install:
  - pip install -r requirements.txt
script:
  - pylint --output-format colorized --reports no setup.py expect_exception tests && python -m unittest --verbose tests.expect_exception_test

dist: bionic
language: python
python:
  - "3.6"
  - "3.7"
  - "3.8"
  - "3.9-dev"
install:
  - pip install -r requirements.txt
script:
  - pylint --output-format colorized --reports no setup.py expect_exception tests && python -m unittest --verbose tests.expect_exception_test

Use Bionic instead of Xenial in Travis
Use Bionic instead of Xenial in Travis
