Update app.py

app.py

@@ -1,7 +1,6 @@
 import os
 import streamlit as st
 from dotenv import load_dotenv
-from transformers import pipeline
 from langchain_community.embeddings import HuggingFaceEmbeddings
 from langchain_community.llms import llamacpp
 from langchain_core.runnables.history import RunnableWithMessageHistory