fix bug adding traffic signs in gui #452

	# This workflow will install Python dependencies, run tests with a different versions of Python and different operating systems
	# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python

	name: Python test

	on: [push, pull_request]

	jobs:
	build:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest] #, macos-latest, windows-latest] # ubuntu-latest, macos-latest, windows-latest
	python-version: ["3.8", "3.9", "3.10"] #, "3.11", "3.12"]
	env :
	QT_QPA_PLATFORM : "offscreen"
	steps :
	- uses : actions/checkout@v4
	- uses : FedericoCarboni/setup-ffmpeg@v2
	- name : Set up Python
	uses : actions/setup-python@v4
	with :
	python-version: ${{ matrix.python-version }}
	- name: Set up QT
	if : runner.os == 'Linux'
	uses: tlambert03/setup-qt-libs@v1
	- name : Run image
	uses : abatilo/actions-poetry@v2
	- name : Setup a local virtual environment
	run : \|
	poetry config virtualenvs.create true --local
	poetry config virtualenvs.in-project true --local
	- name : Install dependencies
	run : \|
	poetry install --with tests
	- name : Execute tests
	run : \|
	poetry run coverage run --source ./crdesigner -m pytest tests/
	poetry run coverage report -m \|\| true

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