Update app.py

app.py

@@ -16,6 +16,7 @@ from langchain_text_splitters import CharacterTextSplitter
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from urllib.parse import quote, urlparse
 import redis
+import aiohttp
 
 import serpapi
 from serpapi import Client  # Assuming serpapi.Client is the correct import