refactor screenshot code #294

	name: Python Tests

	on: [push, pull_request]

	jobs:
	pytest:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: ./applications/visualizer/backend
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12'
	- name: Install dependencies and dev dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install -r requirements-dev.txt
	- name: Test with pytest
	run: \|
	python -m pytest

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