Merge latest master #6

	name: Test without C-extensions

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]
	workflow_dispatch:

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	# doesn't work with CPython 3.9
	python-version: ['3.10', '3.11', '3.12', 'pypy-3.9']

	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
	# Excluding Cython to test the pure Python version.
	python -m pip install "setuptools>69.0.0" wheel
	- name: Install without C-extensions
	run: \|
	python -m pip install --no-build-isolation .
	- name: Test without C-extensions
	run: \|
	# install test dependencies
	python -m pip install pytest Pillow
	python -m pytest tests integration_tests

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