apply isort #16

	name: Python checks

	on:
	push:
	paths:
	- "**.py"
	- .github/workflows/python-checks.yml
	- pylintrc

	jobs:
	checks:
	name: Python checks
	runs-on: ubuntu-latest
	steps:
	- name: Checkout repository and submodules
	uses: actions/checkout@v3
	with:
	submodules: recursive
	- uses: actions/setup-python@v3
	with:
	# This is what Raspbian is using.
	python-version: "3.9"
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	- name: Run flake8
	run: \|
	pip install flake8
	flake8 --ignore=E501 **.py
	- name: Run pylint
	run: \|
	pip install pylint
	pylint **.py
	- name: Run black in check mode
	run: \|
	pip install black
	black --check **.py
	- name: Run isort in check mode
	run: \|
	pip install isort
	isort **.py --check --diff
	- name: Run pytest
	run: \|
	pip install pytest
	pytest

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