Fix flake8 #932

	name: Lint source code

	on:
	push:
	pull_request:
	workflow_dispatch:

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	env:
	FORCE_COLOR: "1"

	jobs:
	black:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install "black==22.3.0"
	- name: Format with black
	run: black --check .

	flake8:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install --upgrade "flake8>=6"
	- name: Lint with flake8
	run: flake8 breathe

	mypy:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install ".[lint]"
	- name: Type check with mypy
	run: mypy --warn-redundant-casts --warn-unused-ignores breathe tests

	twine:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "3"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	python -m pip install --upgrade twine build
	- name: Lint with twine
	run: \|
	python -m build .
	twine check dist/*

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