address

dns_check/datadog_checks/dns_check/dns_check.py

@@ -7,7 +7,6 @@
 from typing import List, Optional  # noqa: F401
 
 import dns.resolver
-from six import PY3
 
 from datadog_checks.base import AgentCheck, ConfigurationError
 from datadog_checks.base.utils.time import get_precise_time
@@ -79,9 +78,7 @@ def check(self, _):
                     raise AssertionError("Expected an NXDOMAIN, got a result.")
             else:
                 answer = resolver.query(self.hostname, rdtype=self.record_type)  # dns.resolver.Answer
-
-                items = list(answer.rrset.items.keys()) if PY3 else answer.rrset.items
-                assert any(it.to_text() for it in items)
+                assert any(it.to_text() for it in answer.rrset.items)
 
                 if self.resolves_as_ips:
                     self._check_answer(answer)