Update app.py

app.py

@@ -232,7 +232,7 @@ class AnimateController:
         
         # clean-up (otherwise there is a risk of "ghosting", eg. someone seeing the previous generated video",
         # of one of the steps go wrong)
-        os.remove(video_path)
+        os.remove(save_sample_path)
     
         return video_data_uri