Update app.py

app.py

@@ -4,7 +4,7 @@ import langchain
 from langchain_huggingface import HuggingFaceEmbeddings
 from langchain_community.document_loaders import UnstructuredPDFLoader,UnstructuredWordDocumentLoader
 from langchain.indexes import VectorstoreIndexCreator
-from langchain_community.vectorstores import LangChainFAISS
+from langchain_community.vectorstores import FAISS as LangChainFAISS
 from zipfile import ZipFile
 import gradio as gr
 import openpyxl