revert to regular chatbot code

app.py

@@ -38,13 +38,6 @@ I am your Advanced Corp Val AI Coach. I'm here to help you with your final refle
 #model = "gpt-3.5-turbo" # free and fast
 #model = "gpt-4" # latest and greatest, not yet available
 
-# to export chat history
-def save_as_txt(chatbot, filename = 'chat_dialogue.txt'):
-  chatbot = list_to_str(chatbot)
-  with open(filename, 'w') as file:
-    file.write(chatbot)
-  files.download(filename)
-
 def CustomChatGPT(message, history):
     history_openai_format = [{"role": "system", "content": sys_message}]
     for human, assistant in history:
@@ -68,7 +61,6 @@ def CustomChatGPT(message, history):
 gradio.ChatInterface(fn=CustomChatGPT,  
                      theme = 'gradio/soft', 
                      title = "Advanced Corp Val AI Coach",
-                     additional_inputs=[gradio.Button("TXT").click(save_as_txt, chatbot, None)],
                     description = des).queue().launch()