tests

Remove six #4

	name: tests

	on:
	pull_request:
	schedule:
	- cron: '0 12 * * 0' # run once a week on Sunday
	# Allow to run this workflow manually from the Actions tab
	workflow_dispatch:

	jobs:
	build:
	strategy:
	# We want to see all failures:
	fail-fast: false
	matrix:
	os:
	- ["ubuntu", "ubuntu-20.04"]
	config:
	# [Python version, tox env]
	- ["3.7", "py37"]
	- ["3.8", "py38"]
	- ["3.9", "py39"]
	- ["3.10", "py310"]
	- ["3.11", "py311"]
	- ["3.12", "py312"]

	runs-on: ${{ matrix.os[1] }}
	name: ${{ matrix.config[1] }}
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.config[0] }}
	- name: Pip cache
	uses: actions/cache@v3
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ matrix.config[0] }}-${{ hashFiles('setup.*', 'tox.ini') }}
	restore-keys: \|
	${{ runner.os }}-pip-${{ matrix.config[0] }}-
	${{ runner.os }}-pip-
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install tox
	- name: Test
	run: tox -e ${{ matrix.config[1] }}

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