Lint

Update checkout action #275

	name: Lint

	on: [push, pull_request]

	jobs:
	flake8:
	name: flake8
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Install flake8
	run: pip install --upgrade flake8
	- name: Run flake8
	uses: liskin/gh-problem-matcher-wrap@v1
	with:
	linters: flake8
	run: flake8

	isort:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v2
	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- run: python -m pip install isort
	- name: isort
	uses: liskin/gh-problem-matcher-wrap@v1
	with:
	linters: isort
	run: isort -c -rc -df djangocms_link

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