Update tox: correctly calculate python coverage #148

	name: Test

	on:
	pull_request:
	# allows this workflow to be reusable (e.g. by the build workflow)
	workflow_call:

	jobs:
	test:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11"]

	steps:
	- uses: actions/checkout@v2

	- 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 setuptools
	pip install tox tox-gh-actions

	- name: Run tox
	run: tox

	- name: "Upload coverage to Codecov"
	uses: codecov/codecov-action@v2
	with:
	fail_ci_if_error: false

Provide feedback