Update app.py

app.py

@@ -113,9 +113,9 @@ with gr.Blocks() as demo:
     clear = gr.Button("Clear")
 
     def respond(message, chat_history):
-        chat_history.append(message)
-        bot_message = gen(str(chat_history))
-        chat_history.append(bot_message)
+        temp_str = str(chat_history)
+        bot_message = gen(temp_str+message)
+        chat_history.append((message, bot_message))
         time.sleep(1)
         return "", chat_history