Remove use of deprecated util #9

	---
	name: CI
	on:
	- push
	- pull_request
	jobs:
	lint:
	name: Run linters
	runs-on: ubuntu-latest
	steps:
	- name: Checkout source code
	uses: actions/checkout@v3
	- name: Set up Python 3.12
	uses: actions/setup-python@v4
	with:
	python-version: "3.12"
	- name: Install dependencies
	run: python -m pip install tox
	- name: Run tox
	run: tox -e pep8
	test:
	name: Run unit tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python: ["3.9", "3.10", "3.11", "3.12", "3.13"]
	steps:
	- name: Checkout source code
	uses: actions/checkout@v3
	# We need history to build the package
	with:
	fetch-depth: 0
	- name: Set up Python ${{ matrix.python }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python }}
	- name: Install dependencies
	run: python -m pip install tox
	- name: Run unit tests (via tox)
	# Run tox using the version of Python in `PATH`
	run: tox -e py
	release:
	name: Upload release artifacts
	runs-on: ubuntu-latest
	needs: test
	if: github.event_name == 'push'
	steps:
	- name: Checkout source code
	uses: actions/checkout@v3
	# We need history to build the package
	with:
	fetch-depth: 0
	- name: Set up Python 3.12
	uses: actions/setup-python@v4
	with:
	python-version: "3.12"
	- name: Install dependencies
	run: python -m pip install build
	- name: Build a binary wheel and a source tarball
	run: python -m build --sdist --wheel --outdir dist/ .
	- name: Publish distribution to PyPI
	if: startsWith(github.ref, 'refs/tags')
	uses: pypa/gh-action-pypi-publish@release/v1
	with:
	password: ${{ secrets.PYPI_API_TOKEN }}

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