app.py

# Simple QnA Chatbot
from langchain_community.llms import OpenAI
from dotenv import load_dotenv
#from langchain_google_genai import GoogleGenerativeAI
import streamlit as st
import os

load_dotenv()  # take environment variables from .env.file

# Function to load OpenAI and get response
def get_openai_response(query_prompt):
    #llm = OpenAI(openai_api_key = os.getenv("OPENAI_API_KEY"), model = "gpt-3.5-turbo", temperature=0.9)
    llm = OpenAI(openai_api_key = os.getenv("OPENAI_API_KEY"), temperature=0.9)
    #llmGemini = GoogleGenerativeAI(gemini_api_key=os.environ["GOOGLE_API_KEY"],model="gemini-pro", temperature=0.7)
    response = llm(query_prompt)
    #response = llmGemini(query_prompt)
    return response

# Init Streamlit
st.set_page_config(page_title="QnA Chatbot", page_icon=":robot:", layout="wide")
st.header("QnA Chatbot using Langchain and OpenAI")

# Input area
input = st.text_area("Ask any question about Langchain and OpenAI.", key="input", height=100)
response = get_openai_response(input)

# When user submits
submit = st.button("Submit")
get_openai_response(input)
if submit:  
    st.subheader("Answer: ")
    st.write(response)