Update app.py

app.py

@@ -15,9 +15,20 @@ from unsloth import FastVisionModel
 import os
 import tempfile
 import warnings
-from gradcam_xception import load_xception_model, generate_smoothgrad_visualizations_xception, get_xception_transform
+from gradcam_xception import load_xception_model, generate_smoothgrad_visualizations_xception
 warnings.filterwarnings("ignore", category=UserWarning)
 
+# Define Xception transform function directly in app.py
+def get_xception_transform():
+    """Get the image transformation pipeline for Xception input."""
+    # Standard Xception preprocessing
+    transform = transforms.Compose([
+        transforms.Resize((299, 299)),
+        transforms.ToTensor(),
+        transforms.Normalize(mean=[0.5, 0.5, 0.5], std=[0.5, 0.5, 0.5]),
+    ])
+    return transform
+
 # App title and description
 st.set_page_config(
     page_title="Deepfake Analyzer",