python: lots of linting/pytest/tox fixes #4

	name: python
	on:
	pull_request:
	jobs:
	venv:
	runs-on: ubuntu-latest
	permissions: {}
	container:
	image: registry.fedoraproject.org/fedora:38
	timeout-minutes: 10
	steps:
	- name: Install system dependencies
	run: sudo dnf install -y git tox

	- name: Clone repository
	uses: actions/checkout@v3

	# https://github.blog/2022-04-12-git-security-vulnerability-announced/
	- name: Pacify git's permission check
	run: git config --global --add safe.directory /__w/cockpit/cockpit

	- name: Run tests
	run: tox -m venv

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