Update app.py

app.py

@@ -1,11 +1,10 @@
 import os
 from pypdf import PdfReader
-# Updated Imports
 from langchain_community.document_loaders import PyPDFLoader
 from langchain_core.documents import Document
 from langchain_text_splitters import RecursiveCharacterTextSplitter
 from langchain_openai import ChatOpenAI, OpenAI
-from langchain.prompts import PromptTemplate
+from langchain_core.prompts import PromptTemplate
 from langchain.chains.summarize import load_summarize_chain
 import gradio as gr