diff --git a/patterns/creational/factory.py b/patterns/creational/factory.py
index 3ef2d2a8..e5372ca5 100644
--- a/patterns/creational/factory.py
+++ b/patterns/creational/factory.py
@@ -26,8 +26,7 @@
 
 
 class Localizer(Protocol):
-    def localize(self, msg: str) -> str:
-        pass
+    def localize(self, msg: str) -> str: ...
 
 
 class GreekLocalizer: