Update app.py

app.py

@@ -2,7 +2,7 @@
    
 import gradio as gr
 import pandas as pd
-
+import faiss
 from langchain.embeddings.openai import OpenAIEmbeddings
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.text_splitter import RecursiveCharacterTextSplitter
@@ -19,7 +19,7 @@ from langchain_community.vectorstores.faiss import FAISS
 
 
 
-db = FAISS.read_index('index.pkl')
+db = faiss.read_index('index.pkl')
 db.save_local("faiss_index")
 db=FAISS.load_local("faiss_index", embeddings,allow_dangerous_deserialization=True)
 #-----------------------------------------------------------------------------