Update app.py

app.py

@@ -33,7 +33,8 @@ def inference(path:str, threshold:float=0.6):
             thickness              = 1
             lineType               = 2
             
-            cv2.putText(img,str(cls), 
+            cv2.putText(image,
+            str(cls), 
             (int(box[0]), int(box[2])), 
             font, 
             fontScale,