Update app.py

app.py

@@ -1,6 +1,6 @@
 import streamlit as st 
-from langchain.text_splitter import RecursiveCharacterTextSplitter
-from langchain.document_loaders import PyPDFLoader
+from langchain_community.text_splitter import RecursiveCharacterTextSplitter
+from langchain_community.document_loaders import PyPDFLoader
 from transformers import T5Tokenizer, T5ForConditionalGeneration
 from transformers import pipeline
 import torch