Address CI deprecation warnings #42

	name: Tests

	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	tests:
	runs-on: ubuntu-20.04
	strategy:
	matrix:
	python-version:
	- "3.6"
	- "3.7"
	- "3.8"
	- "3.9"
	- "3.10"
	- "3.11"
	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
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Lint with Ruff
	if: ${{ matrix.python-version != '3.6' }}
	run: \|
	pip install ruff
	# stop the build if there are Python syntax errors or undefined names
	ruff --output-format=github --select=E9,F63,F7,F82 .
	# default set of ruff rules with GitHub Annotations
	ruff --output-format=github .
	- name: Test with pytest
	run: \|
	pip install pytest
	python -m pytest

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