Fix more issues reported by ruff #637

	name: Python package

	on:
	- push
	- pull_request

	jobs:
	pythontests:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python-version: ["3.9", "3.10", "3.11", "3.12"]
	fail-fast: false

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -U pip coverage codecov ruff pycalendar vobject requests six tzlocal attrs multidict pytest
	- name: Install dependencies (linux)
	run: \|
	sudo apt -y update
	sudo apt -y install libsystemd-dev
	python -m pip install -e ".[systemd,prometheus]"
	if: "matrix.os == 'ubuntu-latest'"
	- name: Install dependencies (non-linux)
	run: \|
	python -m pip install -e ".[prometheus]"
	if: "matrix.os != 'ubuntu-latest'"
	- name: Lint checks
	run: \|
	python -m ruff check .
	- name: Formatting checks
	run: \|
	python -m ruff format --check .
	- name: Typing checks
	run: \|
	pip install -U mypy types-python-dateutil
	python -m mypy xandikos
	- name: Test suite run
	run: \|
	python -m unittest xandikos.tests.test_suite
	env:
	PYTHONHASHSEED: random

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