diff --git a/HyperLPRLite.py b/HyperLPRLite.py
index 632e99c..36b9d3c 100644
--- a/HyperLPRLite.py
+++ b/HyperLPRLite.py
@@ -43,7 +43,7 @@ class LPR():
 
     def detectPlateRough(self,image_gray,resize_h = 720,en_scale =1.08 ,top_bottom_padding_rate = 0.05):
         if top_bottom_padding_rate>0.2:
-            print "error:top_bottom_padding_rate > 0.2:",top_bottom_padding_rate
+            print("error:top_bottom_padding_rate > 0.2:",top_bottom_padding_rate)
             exit(1)
         height = image_gray.shape[0]
         padding =    int(height*top_bottom_padding_rate)