implement correct failure / return code #11

	name: pypi_rocrate
	# Validate if rocrate of pypi can open and parse it
	# https://pypi.org/project/rocrate/

	on: [ push ]

	jobs:
	build:

	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ "3.10" ]
	steps:
	- uses: actions/checkout@v3
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install rocrate
	- name: validate
	run: \|
	import os
	import sys
	import tempfile
	from pathlib import Path
	from zipfile import ZIP_DEFLATED
	from zipfile import Path as ZPath
	from zipfile import ZipFile
	from rocrate.rocrate import ROCrate
	from rocrate.model.entity import Entity
	from rocrate.model.contextentity import ContextEntity

	success = 0
	for root, _, files in os.walk(".", topdown=False):
	for name in files:
	if not name.endswith('.eln'):
	continue
	fileName = os.path.join(root, name)
	print(f'\n\nTry to parse: {fileName}')
	with ZipFile(fileName, 'r', compression=ZIP_DEFLATED) as elnFile:
	p = ZPath(elnFile)
	dirName = sorted(p.iterdir())[0]
	try:
	dirpath = Path(tempfile.mkdtemp())
	elnFile.extractall(dirpath)
	temppath= dirpath.joinpath(dirName.name)
	crate = ROCrate(temppath)
	for e in crate.get_entities():
	print(f' {e.id}: {e.type}')
	except Exception:
	print(" *** ERROR: Could not parse content of this file!! ***")
	success = 1
	sys.exit(success)
	shell: python

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