Use importlib.metadata instead of pkg_resources #206

	name: Documentation

	on:
	push:
	branches: [ main, dev ]
	pull_request:
	branches: [ main, dev ]

	jobs:
	build:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ ubuntu-latest ]
	python-version: [ '3.8' ]

	steps:
	- uses: actions/checkout@v3

	- name: Cache emodb
	uses: actions/cache@v3
	with:
	path: ~/audb
	key: emodb-1.4.1

	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Ubuntu - install libsndfile
	run: \|
	sudo apt-get update
	sudo apt-get install --no-install-recommends --yes libsndfile1

	- name: Install package
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt

	# DOCS
	- name: Ubuntu - install graphviz
	run: sudo apt-get install --yes graphviz

	- name: Install docs requirements
	run: pip install -r docs/requirements.txt

	- name: Test building documentation
	run: python -m sphinx docs/ docs/_build/ -b html -W

	- name: Check links in documentation
	run: python -m sphinx docs/ docs/_build/ -b linkcheck -W

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