Update app.py

app.py

@@ -1,9 +1,10 @@
 import time
 import gradio as gr
 import logging
-from langchain.document_loaders import PDFMinerLoader,CSVLoader ,UnstructuredWordDocumentLoader,TextLoader,OnlinePDFLoader
+from langchain_community.document_loaders import OnlinePDFLoader
+# from langchain.document_loaders import PDFMinerLoader,CSVLoader ,UnstructuredWordDocumentLoader,TextLoader,OnlinePDFLoader
 from langchain.text_splitter import CharacterTextSplitter
-from langchain.embeddings import SentenceTransformerEmbeddings
+from langchain_community.embeddings import SentenceTransformerEmbeddings
 from langchain.vectorstores import FAISS
 from langchain.chains import RetrievalQA
 from langchain.prompts import PromptTemplate