fix importlib_metadata version #42

	name: CI

	on:
	- push
	- pull_request
	- workflow_dispatch

	jobs:
	test:
	runs-on: ubuntu-latest
	name: Test with Python ${{ matrix.python }}
	strategy:
	matrix:
	python: ['3.8', '3.9', '3.10', '3.11', '3.12']
	steps:
	- uses: actions/checkout@v4
	- name: setup test environment
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python }}
	- name: install pip
	run:
	python -m pip install --upgrade pip wheel
	- name: install intbitset (Python 3.12)
	run: \|
	python -m pip download --no-binary=:all: --no-deps intbitset
	python -m pip install cython
	tar -xvf intbitset-*
	rm intbitset-*.tar.gz
	cd intbitset-*
	rm -rf intbitset/intbitset.c
	cython intbitset/intbitset.pyx
	python -m pip uninstall cython -y
	python -m pip install --verbose .
	cd ..
	rm -rf intbitset-*
	if: ${{ matrix.python == '3.12' }}
	- name: install package
	run:
	python -m pip install .[dev]
	- name: test
	run:
	python -m unittest discover --verbose --start-directory tests/
	- name: lint
	run:
	flake8
	- name: mypy
	run:
	mypy --strict license_tools/ tests/

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