API fix

app.py

@@ -68,8 +68,8 @@ def tab_arena():
     #     time.sleep(2)
     #     return "", chat_history
 
-    model_left.change(change_model, [LEFT_MODEL, model_left])
-    model_right.change(change_model, [RIGHT_MODEL, model_right])
+    model_left.change(change_model, [LEFT_MODEL, model_left], [LEFT_MODEL, model_left])
+    model_right.change(change_model, [RIGHT_MODEL, model_right], [LEFT_MODEL, model_left])
 
     print(LEFT_MODEL)
     print(RIGHT_MODEL)