app.py

# Q&A Chatbot
from langchain.llms import openai
#from dotenv import load_dotenv

#load_dotenv() # Take environment variables from .env

import streamlit as st
import os

#Function to load OpenAI model and get response

def get_openai_response(question):
    llm = openai.OpenAI(model_name= 'text-davinci-003', 
                 temperature = 0.5)
    response = llm(question)
    return response

## Initialize our Streamlit Apps

st.set_page_config(page_title="Q&A Demo")

st.header("Langchain Application")

input = st.text_input("Input: ",key='input')
#response = get_openai_response(input)

submit = st.button("Ask the question")

if submit:
    st.subheader("The response is")
    response = get_openai_response(input)
    st.write(response)