Update app.py

app.py

@@ -1,7 +1,7 @@
 # importing required libraries
 from langchain.embeddings import HuggingFaceEmbeddings
 from langchain.llms import OpenAI
-from langchain.vectorstores import FAISS
+from langchain_community.vectorstores import FAISS
 from langchain.prompts import PromptTemplate
 from dotenv import load_dotenv
 import gradio as gr