Add a type hint for a list in dns tests

diff --git a/tests/test_dns_srv.py b/tests/test_dns_srv.py
index 30ac1f556dc932d3eef537230c822e8a2135d751..383a9cbf60ddcfb740dd42977a9cc5dda132fa0a 100644 (file)
--- a/tests/test_dns_srv.py
+++ b/tests/test_dns_srv.py
@@ -1,3 +1,5 @@
+from typing import List, Union
+
 import pytest
 
 import psycopg
@@ -149,7 +151,7 @@ def get_fake_srv_function(monkeypatch):
             ans = fake_hosts[qname, rdtype]
         except KeyError:
             raise DNSException(f"unknown test host: {qname} {rdtype}")
-        rv = []
+        rv: List[Union[A, SRV]] = []
 
         if rdtype == "A":
             for entry in ans: