Update app.py

app.py

@@ -2,7 +2,7 @@ import gradio as gr
 import os
 from langchain.document_loaders import PyPDFLoader
 from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.embeddings import HuggingFaceEmbeddings
+from langchain_community.embeddings import HuggingFaceEmbeddings
 from langchain.vectorstores import FAISS
 from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline