replace flake8 with ruff #41

	name: Release

	on:
	push:
	branches:
	- master
	release:
	types:
	- published

	jobs:
	build:
	if: github.repository == 'jazzband/sorl-thumbnail'
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	with:
	fetch-depth: 0

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.8

	- name: Get pip cache dir
	id: pip-cache
	run: \|
	echo "::set-output name=dir::$(pip cache dir)"

	- name: Cache
	uses: actions/cache@v2
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: release-${{ hashFiles('**/setup.py') }}
	restore-keys: \|
	release-

	- name: Install dependencies
	run: \|
	python -m pip install -U pip
	python -m pip install -U setuptools twine wheel

	- name: Build package
	run: \|
	python setup.py --version
	python setup.py sdist --format=gztar bdist_wheel
	twine check dist/*

	- name: Upload packages to Jazzband
	if: github.event.action == 'published'
	uses: pypa/gh-action-pypi-publish@master
	with:
	user: jazzband
	password: ${{ secrets.JAZZBAND_RELEASE_KEY }}
	repository_url: https://jazzband.co/projects/sorl-thumbnail/upload

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