def test_hinfo(self):
        """
        The repr of a L{dns.Record_HINFO} instance includes the cpu, os, and
        TTL fields of the record.
        """
        self.assertEqual(
            repr(dns.Record_HINFO(b'sparc', b'minix', 12)),
            "<HINFO cpu='sparc' os='minix' ttl=12>")

        The repr of a L{dns.Record_HINFO} instance includes the cpu, os, and
        TTL fields of the record.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/names/test/test_dns.py