Fix SyntaxWarning from update message #1150

	name: Docs Tests
	on:
	push:
	branches: '*'
	pull_request:
	branches: '*'
	jobs:
	build:
	runs-on: ${{ matrix.os }}-latest
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu]
	python-version: [ '3.7' ]
	steps:
	- name: Checkout
	uses: actions/checkout@v1
	- name: Install Python ${{ matrix.python-version }}
	uses: actions/setup-python@v1
	with:
	python-version: ${{ matrix.python-version }}
	architecture: 'x64'
	- name: Upgrade packaging dependencies
	run: \|
	pip install --upgrade pip setuptools wheel
	- name: Get pip cache dir
	id: pip-cache
	run: \|
	echo "::set-output name=dir::$(pip cache dir)"
	- name: Cache pip
	uses: actions/cache@v1
	with:
	path: ${{ steps.pip-cache.outputs.dir }}
	key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('setup.py') }}
	restore-keys: \|
	${{ runner.os }}-pip-${{ matrix.python-version }}-
	${{ runner.os }}-pip-
	- name: Install the Python dependencies
	run: \|
	pip install -e .[test] codecov
	pip install -r docs/doc-requirements.txt
	wget https://github.com/jgm/pandoc/releases/download/1.19.1/pandoc-1.19.1-1-amd64.deb && sudo dpkg -i pandoc-1.19.1-1-amd64.deb
	- name: List installed packages
	run: \|
	pip freeze
	pip check
	- name: Run tests on documentation
	run: \|
	EXIT_STATUS=0
	make -C docs/ html \|\| EXIT_STATUS=$?
	pytest --nbval --current-env docs \|\| EXIT_STATUS=$?
	exit $EXIT_STATUS

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