diff --git a/samples/python/houghcircles.py b/samples/python/houghcircles.py
index 41d42eb1e1..477dac00d4 100755
--- a/samples/python/houghcircles.py
+++ b/samples/python/houghcircles.py
@@ -29,7 +29,7 @@ if __name__ == '__main__':
     cimg = src.copy() # numpy function
 
     circles = cv2.HoughCircles(img, cv2.HOUGH_GRADIENT, 1, 10, np.array([]), 100, 30, 1, 30)
-    
+
     if circles != None: # Check if circles have been found and only then iterate over these and add them to the image
         a, b, c = circles.shape
         for i in range(b):