fix: Union type alias in Python 3.9 #13

	name: Run unit tests

	on:
	workflow_dispatch:
	push:

	jobs:
	versions:
	runs-on: ubuntu-latest

	outputs:
	py-versions: ${{ steps.supported-versions.outputs.py-versions }}

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'

	- name: Install dependencies
	run: \|
	python -m pip install poetry
	poetry config virtualenvs.in-project true
	poetry install --with dev

	- id: supported-versions
	name: Get supported versions
	run: echo "py-versions=$(poetry run ./scripts/supported_py_versions.py)" >> "$GITHUB_OUTPUT"

	test:
	runs-on: ubuntu-latest

	needs: versions
	strategy:
	matrix:
	py-version: ${{ fromJson(needs.versions.outputs.py-versions) }}

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: "${{ matrix.py-version }}"

	- name: Install dependencies
	run: \|
	python -m pip install poetry
	poetry config virtualenvs.in-project true

	# Only install main dependencies
	poetry install --with test

	- name: Run unit tests
	run: poetry run pytest

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