Bump perceval from 0.21.1 to 0.22.1 #179

	name: tests

	on:
	push:
	branches:
	- '**'
	tags:
	- '!**'
	pull_request:
	branches:
	- '**'

	jobs:
	tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [3.7, 3.8, 3.9]

	name: Python ${{ matrix.python-version }}
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install and set up Poetry
	run: \|
	curl -sSL https://install.python-poetry.org \| python3 -
	echo "PATH=$HOME/.poetry/bin:$PATH" >> $GITHUB_ENV
	- name: Install dependencies
	run: \|
	poetry install -vvv
	poetry add -D coveralls
	- name: Lint with flake8
	run: \|
	poetry run flake8
	- name: Tests and Coverage
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	poetry run coverage run tests/run_tests.py
	poetry run coverage report -m
	poetry run coveralls --service=github

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