diff --git a/drone_test/_circle_area.py b/drone_test/_circle_area.py
index 7d38e2e..e822d56 100644
--- a/drone_test/_circle_area.py
+++ b/drone_test/_circle_area.py
@@ -1,5 +1,7 @@
 import math
 
+class
+
 def circle_area(radius: float):
     """Calculate the area of a circle