env: TOXENV=py37
- python: "3.8"
env: TOXENV=py38
+ - python: "3.9"
+ env: TOXENV=py39
- python: "pypy"
env: TOXENV=pypy
install:
- - travis_retry pip install --upgrade "pip < 19.1" setuptools tox ppu
+ - travis_retry pip install --upgrade "pip<21" "setuptools<44" tox ppu
script:
- tox