Update app.py

app.py

@@ -7,11 +7,9 @@ import logging
 import json
 import re
 import requests
-
-# --- LangChain Imports ---
 from langchain.tools import BaseTool
 from langchain.agents import initialize_agent, AgentType
-from langchain.llms.huggingface_hub import HuggingFaceHub
+from langchain_community.llms import HuggingFaceHub
 from langchain.memory import ConversationBufferWindowMemory
 from langchain.prompts import PromptTemplate
 from pydantic import BaseModel, Field