Update manifest.json #4

	name: Lint
	on: push

	jobs:
	test:
	runs-on: ubuntu-latest
	timeout-minutes: 10

	steps:
	- name: Check out repository code
	uses: actions/checkout@v2

	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: "3.9"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install black flake8

	- name: Flake8
	run: flake8 .

	- name: Black
	run: black --check .

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