run python 3.12 in the build, formatting tweaks #179

	---
	name: Test Coverage

	on: ["push", "pull_request"]

	jobs:
	test:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	# supported python versions can be found here
	# https://github.com/actions/python-versions/releases
	#
	# Please bump to the latest unreleased candidate
	# when you come across this and have a moment to spare!
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	steps:
	- uses: actions/checkout@master
	- name: set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -U tox tox-gh-actions
	pip install -r requirements-tox.txt -r requirements-test.txt
	- name: Run tox
	run: \|
	tox -e py

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