add self.highlight to interact with GUI #26

	on: [push, pull_request]

	permissions:
	contents: read

	jobs:
	build:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: ['3.11', '3.12', '3.13']

	steps:
	- name: Checkout code
	uses: actions/checkout@v3

	# Add this step before installing Python dependencies
	- name: Install Cairo dependencies
	run: sudo apt-get update && sudo apt-get install -y libcairo2-dev pkg-config

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install dependencies
	run: pip install -r requirements.txt

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