Update app.py

app.py

@@ -109,7 +109,8 @@ def sketching():
         
     with tempfile.TemporaryDirectory() as temp_dir:
         temp_image_path = os.path.join(temp_dir, "uploaded_image.jpg")
-        uploaded_image.save(temp_image_path)
+        image.save(temp_image_path)
+        
         image = cv2.imread(temp_image_path)
         image = cv2.cvtColor(image,cv2.COLOR_BGR2GRAY)
         image_blur = cv2.GaussianBlur(image,(5,5),0)