[2025] Cleanup code

src/lib/python/isc/notify/notify_out.py

@@ -164,9 +164,8 @@ class NotifyOut:
     def add_slave(self, address, port):
         for zone_name, zone_class in sqlite3_ds.get_zones_info(self._db_file):
             zone_id = (zone_name, zone_class)
-            if zone_id not in self._notify_infos:
-                continue
-            self._notify_infos[zone_id].notify_slaves.append((address, port))
+            if zone_id in self._notify_infos:
+                self._notify_infos[zone_id].notify_slaves.append((address, port))
 
     def send_notify(self, zone_name, zone_class='IN'):
         '''Send notify to one zone's slaves, this function is