modified developer guide code examples according with pep8 standard #133

	name: Unit Testing

	on:
	push:
	branches: '**'
	pull_request:
	branches: [ 'main', 'dev' ]

	jobs:
	lint:
	name: Run Unit Tests
	runs-on: [ 'ubuntu-latest' ]
	env:
	AGENT_TOOLSDIRECTORY: /home/runner/actions-runner/_work/_tool/
	defaults:
	run:
	shell: bash -el {0}
	steps:
	- name: Check out Git repository
	uses: actions/checkout@v4

	- name: Checkout LFS files
	run: git lfs pull

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.9.16'
	cache: 'pip' # caching pip dependencies
	cache-dependency-path: '**/requirements_full.txt'
	token: ${{ secrets.QUARK_GH_GITHUB_COM_TOKEN }}

	- name: Install Dependencies
	run: pip install -r .settings/requirements_full.txt

	- name: Run tests with unittest
	run: python -m unittest discover .

Provide feedback