Upload app.py

app.py

@@ -5,7 +5,7 @@ import asyncio
 from pymongo import MongoClient
 from langchain_community.vectorstores import MongoDBAtlasVectorSearch
 from langchain_community.embeddings import OpenAIEmbeddings
-# from langchain_community.llms import OpenAI
+from langchain_community.llms import OpenAI
 # from langchain_community.prompts import PromptTemplate
 # from langchain.chains import LLMChain
 import json