Update app.py

app.py

@@ -5,11 +5,11 @@ from fastapi import FastAPI, Request, Form
 from fastapi.responses import JSONResponse, HTMLResponse
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.templating import Jinja2Templates
-from langchain_community.chat_models import ChatOpenAI
-from langchain_community.embeddings import OpenAIEmbeddings
+from langchain.chat_models import ChatOpenAI
+from langchain.embeddings import OpenAIEmbeddings
 from langchain.chains import LLMChain
 from langchain.prompts import PromptTemplate
-from langchain_community.vectorstores import FAISS
+from langchain.vectorstores import FAISS
 
 # Load environment variables
 load_dotenv()