fix mypy issue (#866)

kaya-david · web-flow · commit 392675a78798 · 2025-07-31T11:00:06.000+02:00
diff --git a/tests/unit/connector/test_confluent_kafka_common.py b/tests/unit/connector/test_confluent_kafka_common.py
@@ -16,7 +16,7 @@
 
 
 class CommonConfluentKafkaTestCase:
-    expected_metrics = []
+    expected_metrics: list = []
 
     def test_client_id_is_set_to_hostname(self):
         self.object.setup()
