Update app.py

app.py

@@ -1,5 +1,6 @@
 import pandas as pd
-from langchain import LLMChain, LLM
+from langchain.chains import LLMChain
+from langchain.llms import LLM
 from transformers import LLaMAForCausalLM, LLaMATokenizer
 from huggingface_hub import login
 import streamlit as st