Update app.py

app.py

@@ -1,6 +1,6 @@
 import gradio as gr
 import time
-from transformers import pipeline, AutoModelForCausalLM, AutoTokenizer
+from transformers import pipeline, AutoModelForSeq2SeqLM, AutoTokenizer
 from sentence_transformers import SentenceTransformer
 from sklearn.metrics.pairwise import cosine_similarity
 from TTS.api import TTS  # Coqui TTS library
@@ -12,7 +12,7 @@ embedding_model = SentenceTransformer("all-MiniLM-L6-v2")
 
 gpt_model_name = "google/flan-t5-base"
 gpt_tokenizer = AutoTokenizer.from_pretrained(gpt_model_name)
-gpt_model = AutoModelForCausalLM.from_pretrained(gpt_model_name)
+gpt_model = AutoModelForSeq2SeqLM.from_pretrained(gpt_model_name)
 
 tts_model = TTS(model_name="tts_models/en/ljspeech/tacotron2-DDC", progress_bar=False, gpu=False)