Update app.py

app.py

@@ -5,7 +5,7 @@ from langchain.chat_models import init_chat_model
 from langchain_community.utilities import SQLDatabase
 from langchain_community.agent_toolkits import SQLDatabaseToolkit
 from langchain.agents import create_agent
-from google.colab import userdata
+# from google.colab import userdata
 
 # --- GLOBALS ---
 model = None  # ✅ prevent "NameError" before setup