def test_verifyUnparsedComment(self):
        """
        Loading a L{KnownHostsFile} from a path that contains a comment will
        result in a L{KnownHostsFile} object containing a L{UnparsedEntry}
        object.
        """
        hostsFile = self.loadSampleHostsFile((b"# That was a blank line.\n"))
        entries = list(hostsFile.iterentries())
        self.assertIsInstance(entries[0], UnparsedEntry)
        self.assertEqual(entries[0].toString(), b"# That was a blank line.")

        Loading a L{KnownHostsFile} from a path that contains a comment will
        result in a L{KnownHostsFile} object containing a L{UnparsedEntry}
        object.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/conch/test/test_knownhosts.py