Update app.py

app.py

@@ -1,7 +1,7 @@
 import streamlit as st
 from dotenv import load_dotenv
 from PyPDF2 import PdfReader
-from langchain.text_splitter import CharacterTextSplitter
+
 from langchain.embeddings import OpenAIEmbeddings, HuggingFaceInstructEmbeddings
 from langchain.vectorstores import FAISS
 from langchain.chat_models import ChatOpenAI
@@ -9,6 +9,7 @@ from langchain.memory import ConversationBufferMemory
 from langchain.chains import ConversationalRetrievalChain
 from htmlTemplates import css, bot_template, user_template
 from langchain.llms import HuggingFaceHub
+from langchain.text_splitter import CharacterTextSplitter
 
 def get_pdf_text(pdf_docs):
     text = ""