Update app.py

app.py

@@ -1,7 +1,7 @@
 import gradio as gr
 import pinecone
 from sentence_transformers import SentenceTransformer
-from transformers import AutoTokenizer, AutoModelForSeq2SeqGeneration
+from transformers import AutoTokenizer, AutoModelForSeq2SeqLM  # Fixed this line
 import torch
 import PyPDF2
 import io
@@ -11,7 +11,7 @@ from tqdm import tqdm
 # Initialize models and Pinecone
 embeddings_model = SentenceTransformer('all-MiniLM-L6-v2')
 tokenizer = AutoTokenizer.from_pretrained("google/flan-t5-base")
-model = AutoModelForSeq2SeqGeneration.from_pretrained("google/flan-t5-base")
+model = AutoModelForSeq2SeqLM.from_pretrained("google/flan-t5-base")  # And this line
 
 # Initialize Pinecone with environment variable
 PINECONE_API_KEY = os.getenv('PINECONE_API_KEY')