diff --git a/Circle.py b/Circle.py
index f0b18d1..fecb6df 100644
--- a/Circle.py
+++ b/Circle.py
@@ -1,4 +1,6 @@
 
+from Shape import Shape
+
 class Circle(Shape):
     def __init__(self, x, y, r):
         self.vars = [x, y, r]