def test_verifyUnparsableLine(self):
        """
        Loading a L{KnownHostsFile} from a path that contains an unparseable
        line will be represented as an L{UnparsedEntry} instance.
        """
        hostsFile = self.loadSampleHostsFile((b"This is just unparseable.\n"))
        entries = list(hostsFile.iterentries())
        self.assertIsInstance(entries[0], UnparsedEntry)
        self.assertEqual(entries[0].toString(), b"This is just unparseable.")
        self.assertEqual(1, len(entries))

        Loading a L{KnownHostsFile} from a path that contains an unparseable
        line will be represented as an L{UnparsedEntry} instance.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_knownhosts.py