Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 import pdfplumber
 import os
-from langchain.document_loaders import Document
+from langchain.schema import Document
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from langchain.embeddings.openai import OpenAIEmbeddings
 from langchain.vectorstores import Pinecone