Update app.py

app.py

@@ -255,7 +255,7 @@ based on the implementations of [@raven38](https://github.com/raven38) & [@DarkM
         outputs=[do_inversion]
     )
 
-    seed.change.change(
+    seed.change(
         fn=reset_do_inversion,
         outputs=[do_inversion]
     )