Fix multi-target serialization #718

	name: build

	on: [push, pull_request]

	jobs:
	build:
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
	runs-on: ${{ matrix.os }}

	steps:
	- uses: actions/checkout@v4

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}
	cache: 'pip'
	cache-dependency-path: pyproject.toml

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install black cython-lint flake8 isort pytest pytest-cov
	pip install -r ./docs/sphinx_requirements.txt
	pip install --verbose --editable .

	- name: Check Python formatting with black
	run: \|
	black --diff --color .
	black --check .

	- name: Check Cython formatting with cython-lint
	run: \|
	cython-lint .

	- name: Check import order with isort
	run: \|
	isort --profile=black --check .

	- name: Lint with flake8
	run: \|
	flake8 . --count --select=E9,F7,F63,F82 --show-source --statistics \|\| exit 1
	flake8 . --count --exit-zero --statistics

	- name: Test with pytest
	run: \|
	python -m pytest docs/user_guide/*rst
	python -m pytest --pyargs quantile_forest --cov=quantile_forest

	- name: Upload coverage reports to Codecov
	uses: codecov/codecov-action@v4
	with:
	token: ${{ secrets.CODECOV_TOKEN }}

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