changing subheadings in reference page to include spaces #510

	name: Test
	on: [push, pull_request]

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ '3.8']
	steps:
	- uses: actions/checkout@v2
	- name: Setup python
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	architecture: x64
	- uses: actions/cache@v1
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements_dev.txt') }}-${{ matrix.python-version }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install requirements_test.txt
	run: pip install -r requirements_test.txt
	- name: flake8
	run: flake8 --exclude=src --max-line-length=119
	- name: pytest
	run: pytest tests

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