added clarification to assignments. #42

	name: tests

	on:
	push:
	branches: [main]
	pull_request:

	jobs:
	tests:
	runs-on: ubuntu-20.04
	strategy:
	max-parallel: 4
	matrix:
	python-version: ["3.9", "3.10", "3.11", "3.12"]
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	# cache the Python environment, including installed dependencies
	# (unique to each python-version; speeds up tests more than caching pip cache)
	- name: Cache/Restore the Python env
	uses: actions/cache@v3
	env:
	cache-name: cache-python${{ matrix.python-version }}-env
	with:
	path: ${{ env.pythonLocation }}
	key: ${{ env.pythonLocation }}-${{ hashFiles('setup.py') }}
	- name: Install pip
	run: \|
	pip install --upgrade pip
	- name: Install with test dependencies
	run: \|
	pip install .[test]
	- name: Lint with ruff
	run: \|
	pip install ruff
	ruff check .
	- name: Check types with MyPy
	run: \|
	mypy src/as4012_sstr --pretty
	- name: Run tests
	run: \|
	pytest

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