Update pupa clean so that Jurisdiction, Division, and Post objects are not deleted #66

	name: Test and build Python package

	on:
	push:
	branches: [ master ]
	tags:
	- v*
	pull_request:
	branches: [ master ]

	jobs:
	test:
	runs-on: ubuntu-20.04
	services:
	postgres:
	image: postgis/postgis:10-2.5
	env:
	POSTGRES_USER: test
	POSTGRES_DB: test
	POSTGRES_PASSWORD: test
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432
	strategy:
	matrix:
	python-version: ['3.6', '3.7', '3.8']
	django-series: ['2.2', '3.0']
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt update
	sudo apt install -y gdal-bin
	pip install .[dev] --pre Django==${{ matrix.django-series }}
	- name: Lint with flake8
	run: \|
	flake8 pupa
	- name: Test with pytest
	run: \|
	./run-tests.sh
	- name: Calculate test coverage
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	run: \|
	coveralls --service=github

	build:
	needs: test
	name: Build package and upload to PyPI
	runs-on: ubuntu-20.04
	steps:
	- uses: actions/checkout@v2
	- name: Build and publish
	if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
	env:
	TWINE_USERNAME: __token__
	TWINE_PASSWORD: ${{ secrets.PYPI_TOKEN }}
	run: \|
	pip install twine wheel
	pip wheel -w dist --no-deps .
	python setup.py sdist
	twine upload dist/*
	continue-on-error: true

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