yield generator?

app.py

@@ -220,7 +220,7 @@ with gr.Blocks(title=title) as demo:
             
                 history[-1][1] = ""
             
-                for character in generator(
+                yield generator( # for character in 
                     instruction,
                     None,
                     token_count,
@@ -229,8 +229,8 @@ with gr.Blocks(title=title) as demo:
                     presence_penalty,
                     count_penalty,
                     history
-                ):
-                    history[-1][1] += character
+                )
+                    # history[-1][1] += character
                     # yield history
 
             msg.submit(user_msg, [msg, chatbot], [msg, chatbot], queue=False).then(