Update app.py

app.py

@@ -4,6 +4,9 @@ from nltk.tokenize import sent_tokenize
 import random
 import requests
 import streamlit as st
+from langchain_openai import OpenAI, OpenAIEmbeddings
+from langchain.prompts import PromptTemplate
+from langchain.chains import LLMChain
 
 # Download NLTK data (if not already downloaded)
 nltk.download('punkt')
@@ -36,6 +39,9 @@ def generate_mcqs_on_topic(text, topic, num_mcqs=5):
     return mcqs
 
 def generate_question_with_chatgpt(context):
+
+    llm = OpenAI(temperature=0.4)
+    
     headers = {
         "Content-Type": "application/json",
         "Authorization": f"Bearer {OPENAI_API_KEY}",