language: python

dist: xenial

python:
  - "2.7"
  - "3.6"
  - "3.7"
  - "3.8-dev"
  - "pypy3.6"

sudo: false

install:
  - pip install -r requirements-dev.txt

script:
  - pytest

language: python

dist: xenial

python:
  - "2.7"
  - "3.6"
  - "3.7"
  - "3.8-dev"
  - "pypy3"

sudo: false

install:
  - pip install -r requirements-dev.txt

script:
  - pytest

Change Travis PyPy version to `pypy3`
Change Travis PyPy version to `pypy3`

As it cannot find `pypy3.6`. See:

Downloading archive: https://storage.googleapis.com/travis-ci-language-archives/python/binaries/ubuntu/14.04/x86_64/python-3.7.tar.bz2
0.07s$ curl -sSf -o python-3.7.tar.bz2 ${archive_url}
curl: (22) The requested URL returned error: 404 Not Found
Unable to download 3.7 archive. The archive may not exist. Please consider a different version.
