Update app.py

app.py

@@ -3,7 +3,11 @@ import faiss
 import numpy as np
 import torch
 import gradio as gr
-from transformers import AutoModelForCausalLM, GemmaTokenizer
+from transformers import AutoModelForCausalLM, AutoTokenizer
+
+# ✅ Fix: Use AutoTokenizer instead of GemmaTokenizer
+tokenizer = AutoTokenizer.from_pretrained(HF_REPO, token=HF_TOKEN)
+
 from huggingface_hub import hf_hub_download
 
 # 🔹 Hugging Face Credentials