testing insert instead of append

app.py

@@ -72,7 +72,7 @@ def vicuna_respond(tab_name, message, chat_history):
     bot_message = bot_message.replace(formatted_prompt, '')
     print(bot_message)
         
-    chat_history.append(0, (formatted_prompt, bot_message))
+    chat_history.insert(0, (formatted_prompt, bot_message))
     time.sleep(2)
     return tab_name, "", chat_history
 
@@ -88,7 +88,7 @@ def llama_respond(tab_name, message, chat_history):
     bot_message = bot_message.replace(formatted_prompt, '')
     # print(bot_message)
         
-    chat_history.append(0, (formatted_prompt, bot_message))
+    chat_history.insert(0, (formatted_prompt, bot_message))
     time.sleep(2)
     return tab_name, "", chat_history