reintroducing token length watcher with the right function

app.py

@@ -210,7 +210,7 @@ with gr.Blocks(css='style.css') as demo:
         ],
         outputs=chatbot,
         api_name=False,
-    ).then (get_input_token_length, tb, tb )
+    ).then (getTokLen, tb, tb )
 
     button_event_preprocess = submit_button.click(
         fn=clear_and_save_textbox,
@@ -242,7 +242,7 @@ with gr.Blocks(css='style.css') as demo:
         ],
         outputs=chatbot,
         api_name=False,
-    ).then (get_input_token_length, tb, tb )
+    ).then (getTokLen, tb, tb )
 
     retry_button.click(
         fn=delete_prev_fn,