Bump actions/download-artifact from 2 to 4.1.7 in /.github/workflows #48

	name: Doctest
	on: [push]
	jobs:
	test_readme_and_sphinx_docs:
	runs-on: ubuntu-latest
	env:
	OS: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	with:
	fetch-depth: 0
	- name: Setup Python
	uses: actions/setup-python@v3
	with:
	python-version: "3.11"
	- name: Build myfm
	run: \|
	pip install --upgrade pip
	pip install numpy scipy pandas scikit-learn
	pip install .
	curl http://files.grouplens.org/datasets/movielens/ml-100k.zip -o ~/.ml-100k.zip
	- name: Run pytest
	run: \|
	pip install pytest phmdoctest sphinx==4.4.0 sphinx_rtd_theme
	- name: Test Readme.md
	run: \|
	GEN_TEST_FILE=phmdoctest_out.py
	phmdoctest README.md --outfile "$GEN_TEST_FILE"
	pytest "$GEN_TEST_FILE"
	rm "$GEN_TEST_FILE"
	- name: Run sphinx doctest
	run: \|
	cd doc
	make doctest

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