fix #3; update install instructions in README #47

	name: Pytest testing

	on: [push]

	jobs:
	test:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.10'
	- name: Install system dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y openslide-tools

	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install .
	- name: Test with pytest
	run: \|
	pip install pytest pytest-cov
	pytest wsi --doctest-modules --junitxml=junit/test-results.xml --cov=com --cov-report=xml --cov-report=html

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