docs: Add docstring for delete_step #971

	name: CI
	on: [push, pull_request]
	jobs:
	build:
	if: github.event_name == 'push' \|\| github.event.pull_request.head.repo.full_name != github.repository
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.11'
	cache: pip
	cache-dependency-path: '*/requirements.txt'
	- run: pip install -r requirements.txt
	# Check requirements.txt contains production requirements.
	- run: ./manage.py --help
	- run: pip install -r requirements_dev.txt
	- name: Run checks and tests
	env:
	PYTHONWARNINGS: error
	DATABASE_URL: postgresql://postgres:postgres@localhost:${{ job.services.postgres.ports[5432] }}/postgres
	RABBIT_URL: amqp://127.0.0.1:${{ job.services.rabbitmq.ports[5672] }}
	shell: bash
	run: \|
	./manage.py migrate
	./manage.py makemigrations --check --dry-run
	./manage.py check --fail-level WARNING
	coverage run --source core,process manage.py test
	- env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: coveralls --service=github
	services:
	postgres:
	image: postgres:12
	env:
	POSTGRES_PASSWORD: postgres
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432/tcp
	rabbitmq:
	image: rabbitmq:latest
	options: >-
	--health-cmd "rabbitmq-diagnostics -q check_running"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5672/tcp

Provide feedback