Implement str for Domain and Problem #385

	name: docs

	on:
	push:
	branches:
	- main
	pull_request:

	jobs:
	run:
	runs-on: ${{ matrix.os }}

	strategy:
	matrix:
	os: [ubuntu-latest]
	python-version: ["3.8"]

	timeout-minutes: 30

	steps:
	- uses: actions/checkout@main
	- uses: actions/setup-python@main
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: pip install "tox>=4.5.1,<4.6.0"
	- name: Generate Documentation
	run: tox -e docs

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