Update app.py

app.py

@@ -11,7 +11,7 @@ from langchain.chat_models import ChatOpenAI
 from langchain.prompts import ChatPromptTemplate
 from langchain.agents import tool
 import requests
-import datetime,utils,os
+import datetime,os
 from langchain.pydantic_v1 import BaseModel,Field
 from dotenv import load_dotenv
 load_dotenv()