[pre-commit.ci] pre-commit autoupdate #171

	name: Code quality

	on: [push, pull_request]

	jobs:
	lint:
	runs-on: ubuntu-latest
	if: "!contains(github.event.head_commit.message, '[skip ci]')"
	strategy:
	matrix:
	python-version: [3.8]
	toxenv: [pep8, isort, black, pypi-description, docs, towncrier]
	steps:
	- uses: actions/checkout@v2
	with:
	repository: ${{ github.event.pull_request.head.repo.full_name }}
	ref: ${{ github.event.pull_request.head.ref }}
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	- name: Cache pip
	uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ matrix.toxenv }}
	restore-keys: \|
	${{ runner.os }}-pip-${{ matrix.toxenv }}
	- name: Cache tox
	uses: actions/cache@v1
	with:
	path: .tox
	key: ${{ runner.os }}-lint-${{ matrix.toxenv }}-${{ hashFiles('setup.cfg') }}
	restore-keys: \|
	${{ runner.os }}-lint-${{ matrix.toxenv }}-
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip setuptools tox>=1.8
	- name: Test with tox
	run: \|
	tox -e${{ matrix.toxenv }}

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