Update app.py

app.py

@@ -2,6 +2,8 @@ import gradio as gr
 import pandas as pd
 from functools import partial
 
+import os
+
 def save_chatbot_dialogue(chat_tutor, save_type):
 
     formatted_convo = pd.DataFrame(chat_tutor.conversation_memory, columns=['user', 'chatbot'])
@@ -88,7 +90,7 @@ with gr.Blocks() as demo:
 
     # Testing purpose
     test_btn = gr.Button("View your chat history")
-    chat_history = gr.Textbox(label = "conversation history")
+    chat_history = gr.JSON(label = "conversation history")
     test_btn.click(get_conversation_history, inputs=[study_tutor], outputs=[chat_history, study_tutor])
     
     with gr.Blocks():