diff --git a/pychromecast/discovery.py b/pychromecast/discovery.py
index 1ec88ebf8..11a25ea98 100644
--- a/pychromecast/discovery.py
+++ b/pychromecast/discovery.py
@@ -212,7 +212,9 @@ def get_value(key):
                 cast_type = CAST_TYPE_GROUP
                 manufacturer = MF_GOOGLE
             else:
-                cast_type, manufacturer = CAST_TYPES.get(model_name.lower(), (None, None))
+                cast_type, manufacturer = CAST_TYPES.get(
+                    model_name.lower(), (None, None)
+                )
             if uuid not in self._devices:
                 self._devices[uuid] = CastInfo(
                     {service_info},