fix(utils): raise exception on failing creation of object #77

	#SPDX-FileCopyrightText: 2024 Birger Schacht
	#SPDX-License-Identifier: MIT

	name: Run stylesheet linter
	on:
	pull_request:

	jobs:
	cssbeautify:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	# for poetry caching, we have to install poetry before setting up python
	- name: Install poetry
	run: pipx install poetry
	- uses: actions/setup-python@v5
	with:
	cache: 'poetry'
	cache-dependency-path: "pyproject.toml"
	python-version: "3.11"
	- name: Install dev dependencies
	run: \|
	poetry install --no-root --no-directory --only dev
	- name: Run css-beautify
	run: \|
	if find . -name "*.css" -exec poetry run css-beautify -rn {} \; \| grep -v unchanged; then
	exit 1;
	else
	exit 0;
	fi

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