Update app.py

app.py

@@ -2,7 +2,7 @@ import streamlit as st
 from streamlit_chat import message
 from langchain.chains import ConversationalRetrievalChain
 from langchain.embeddings import HuggingFaceEmbeddings
-from langchain.llms import Replicate
+from langchain_community.llms import Replicate
 from langchain.text_splitter import CharacterTextSplitter
 from langchain.vectorstores import FAISS
 from langchain.memory import ConversationBufferMemory