Merge branch 'release/0.3.1' #42

	name: Testing package

	on:
	- push
	- pull_request

	jobs:
	lint:
	strategy:
	matrix:
	cmd:
	- black
	- mypy
	- ruff
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v2
	- name: Install poetry
	run: pipx install poetry
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.9"
	cache: "poetry"
	- name: Install deps
	run: poetry install
	- name: Run lint check
	run: poetry run pre-commit run -a ${{ matrix.cmd }}

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