fix build #231

	name: Linux Test all Pythons
	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]
	jobs:
	build:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
	steps:
	- name: Checkout
	uses: actions/checkout@v4
	- name: Install Debian packages
	run: \|
	sudo apt-get update -qq
	sudo apt-get install -y software-properties-common
	sudo add-apt-repository -y ppa:gijzelaar/snap7
	sudo apt-get update -qq
	sudo apt-get install -y libsnap7-dev libsnap7-1
	- 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: \|
	python3 -m venv venv
	venv/bin/pip install --upgrade pip
	venv/bin/pip install ".[test]"
	- name: Run pytest
	run: \|
	venv/bin/pytest tests/test_client.py tests/test_mainloop.py tests/test_server.py tests/test_util.py
	sudo venv/bin/pytest tests/test_partner.py

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