app.py

from langchain.llms import OpenAI
from dotenv import load_dotenv
import streamlit as st
import os

load_dotenv()


# function to load OpenAI model and get responses
def get_openai_response(question):
    llm = OpenAI(openai_api_key=os.getenv('OPENAI_API_KEY'), model_name="text-davinci-003", temperature=0.5)
    output = llm(question)
    return output

# initialize streamlit app
st.set_page_config(page_title="Q&A Demo")


st.header("Langchain Application")

intext = st.text_input("Input: ", key="input")
response = get_openai_response(intext)
submit = st.button("Ask Question")

# if submit button is clicked
if submit:
    st.subheader("The Response is")
    st.write(response)