Update app.py

app.py

@@ -1,7 +1,6 @@
 import streamlit as st
 import fitz  # PyMuPDF
-from transformers import pipeline
-from langchain_community.llms import HuggingFaceLLM
+from transformers import AutoTokenizer, AutoModelForCausalLM
 from langchain.prompts import PromptTemplate
 from langchain.chains import LLMChain
 
@@ -25,7 +24,8 @@ def generate_mcqs(text, num_questions=5):
     prompt = prompt_template.format(text=text, num_questions=num_questions)
     
     # Load HuggingFace model
-    llm = HuggingFaceLLM(model="openai/gpt-3.5-turbo")
+    tokenizer = AutoTokenizer.from_pretrained("openai-community/gpt2-large")
+    llm = AutoModelForCausalLM.from_pretrained("openai-community/gpt2-large")
 
     # Create an LLM chain with the prompt
     chain = LLMChain(prompt_template=PromptTemplate(template=prompt_template), llm=llm)