IstioImporter Run Log

('Failed to run vulnerabilities.importers.istio.IstioImporter: AttributeError("\'str\' object has no attribute \'relative_to\'") \n Traceback (most recent call last):\n  File "/app/vulnerabilities/tasks.py", line 80, in legacy_runner\n    ImportRunner(run_class).run()\n  File "/app/vulnerabilities/import_runner.py", line 62, in run\n    count = self.process_advisories(advisory_datas=advisory_datas, importer_name=importer_name)\n  File "/app/vulnerabilities/import_runner.py", line 105, in process_advisories\n    for data in advisory_datas:\n  File "/app/vulnerabilities/importers/istio.py", line 59, in advisory_data\n    yield from self.process_file(file=file, base_path=base_path)\n  File "/app/vulnerabilities/importers/istio.py", line 65, in process_file\n    advisory_url = get_advisory_url(\n  File "/app/vulnerabilities/utils.py", line 542, in get_advisory_url\n    relative_path = str(file.relative_to(base_path)).strip("/")\nAttributeError: \'str\' object has no attribute \'relative_to\'\n',)