diff --git a/geometry/geometry.py b/geometry/geometry.py
index 71d6abdca..a0be8eb3b 100644
--- a/geometry/geometry.py
+++ b/geometry/geometry.py
@@ -283,5 +283,6 @@ class Square(Rectangle):
     def area(self) -> float:
         return super().area()
 
+
 if __name__ == "__main__":
     __import__("doctest").testmod()