update streamlit.py

src/streamlit_app.py

@@ -1,8 +1,7 @@
 import torch
 import streamlit as st
 from PIL import Image
-from transformers import AutoProcessor, BitsAndBytesConfig
-from transformers.models.llama.modeling_llama import LlamaForCausalLM as MllamaForConditionalGeneration
+from transformers import MllamaForConditionalGeneration, AutoProcessor, BitsAndBytesConfig
 import os
 
 # --- Setup HF cache to writable directory (for Spaces) ---