Set instance on singleton configurable when created via constructor. #540

	name: Build docs

	on: [push, pull_request]

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: 3.x
	- name: Install Graphviz
	run: \|
	sudo apt-get update
	sudo apt-get install graphviz
	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip setuptools coverage rstvalidator
	pip install -r docs/requirements.txt
	- name: Build docs
	run: \|
	python -m rstvalidator long_description.rst
	python tools/fixup_whats_new_pr.py
	make -C docs/ html SPHINXOPTS="-W" \
	PYTHON="coverage run -a" \
	SPHINXBUILD="coverage run -a -m sphinx.cmd.build"
	- name: Generate coverage xml
	run: \|
	coverage combine `find . -name .coverage\*` && coverage xml
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v2
	with:
	name: Docs

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