tests: fix quality test #27

	name: Quality

	on:
	push:
	pull_request:
	schedule:
	- cron: '0 0 * * 0' # weekly

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Cache pip
	uses: actions/cache@v2
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip setuptools wheel
	python -m pip install --upgrade black flake8
	- name: Run checks
	run: \|
	make quality

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