diff --git a/src/python_testing/mdns_discovery/mdns_discovery.py b/src/python_testing/mdns_discovery/mdns_discovery.py
index 3dbb5fd8e808a0..ca017ab74f94c3 100644
--- a/src/python_testing/mdns_discovery/mdns_discovery.py
+++ b/src/python_testing/mdns_discovery/mdns_discovery.py
@@ -79,7 +79,7 @@ class DummyServiceListener(ServiceListener):
     """
     A service listener required for the TXT record data to get populated and come back
     """
-    
+
     def add_service(self, zeroconf: Zeroconf, service_type: str, name: str) -> None:
         pass