app.py

import streamlit as st
import langchain
from langchain.llms import HuggingFaceHub

def load_answer(question):
    llm = HuggingFaceHub(repo_id="google/flan-t5-large")
    answer = llm(question)
    return answer
st.set_page_config(page_title="LangChain Demo",page_icon=":robot:")
st.header("LangChain Demo")
def get_text():
    input_text = st.text_input("You",key="input")
    return input_text

user_input=get_text()
response = load_answer(user_input)
submit = st.button("Generate")
if submit:
    st.subheader("Answer:")
    st.write(response)