add note #34

	# This workflow will install Python dependencies, run tests and lint with a single version of Python
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions

	name: CI
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	jobs:

	Tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ["3.7", "3.8", "3.9"]
	steps:
	- uses: actions/checkout@v3
	- name: Setup Python ${{ matrix.python-version }}
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}
	cache: pip
	- name: Install libgeos
	run: \|
	# Temporary? dpkg fix: https://askubuntu.com/questions/1276111/error-upgrading-grub-efi-amd64-signed-special-device-old-ssd-does-not-exist
	sudo rm /var/cache/debconf/config.dat
	sudo dpkg --configure -a
	sudo apt update && sudo apt upgrade -y && sudo apt install -y
	sudo apt install software-properties-common -y
	sudo add-apt-repository ppa:ubuntugis/ppa
	sudo apt update -y && sudo apt install -y
	sudo apt install libgeos++-dev libspatialindex-dev -y
	- name: Install Geosample
	run: \|
	pip install .[tests]
	- name: Unittests
	run: \|
	python -m unittest

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