Update app.py

app.py

@@ -5,7 +5,7 @@ import threading
 import tempfile
 import logging
 import openai
-from dash import Dash, dcc, html, Input, Output, State, callback
+from dash import Dash, dcc, html, Input, Output, State, callback, callback_context
 import dash_bootstrap_components as dbc
 from pydub import AudioSegment
 import requests