Update app.py

app.py

@@ -2,9 +2,11 @@
 import streamlit as st
 from PIL import Image
 import torch
-from model_utils import load_model, predict
+from model_utils import load_model, predict,  generate_gradcam
 from preprocessing import preprocess_image
 
+
+
 st.set_page_config(page_title="X-ray Diagnosis Demo", layout="centered")
 st.title("🩻 X-ray Multi-Label Diagnosis App (CheXNet)")