Update app.py

app.py

@@ -1,10 +1,10 @@
 import streamlit as st
-from transformers import AutoTokenizer, AutoModelForCausalLM
+from transformers import GPT2Tokenizer, GPT2LMHeadModel
 
 # Define model and tokenizer
-model_name = 'openai-community/gpt2-large'
-model = AutoModelForCausalLM.from_pretrained(model_name)
-tokenizer = AutoTokenizer.from_pretrained(model_name, use_fast=True)
+model_name = 'gpt2-large'
+model = GPT2LMHeadModel.from_pretrained(model_name)
+tokenizer = GPT2Tokenizer.from_pretrained(model_name)
 
 def generate_blogpost(topic):
     inputs = tokenizer.encode(topic, return_tensors='pt')