Update app.py

app.py

@@ -1,3 +1,5 @@
+# File: app.py
+
 import streamlit as st
 from PIL import Image, ImageDraw, ImageFont, ExifTags
 import requests
@@ -5,7 +7,8 @@ from io import BytesIO
 import cv2
 import numpy as np
 import pandas as pd
-import fitz  # PyMuPDF for PDF handling = jls_extract_def()
+from skimage.metrics import structural_similarity as ssim
+import fitz  # PyMuPDF for PDF handling
 import docx  # For handling Word documents
 from difflib import HtmlDiff, SequenceMatcher  # For text comparison
 import os
@@ -13,7 +16,7 @@ import logging
 import base64
 import zipfile
 from typing import Dict
-# from deepface import DeepFace  # For deepfake detection
+from deepface import DeepFace  # For deepfake detection
 import pytesseract  # For OCR in watermark detection
 
 # Page configuration with custom theme
@@ -348,7 +351,7 @@ def nvidia_deepfake_detection_app():
                 )
                 
                 # Risk assessment
-                if is_deepfake or confidence > 90:
+                if is_deepfake > 90:
                     st.error("🚨 HIGH RISK: Likely a Deepfake")
                 elif confidence > 70:
                     st.warning("⚠️ MODERATE RISK: Potential Deepfake")
@@ -716,4 +719,4 @@ def main():
         document_comparison_tool()
 
 if __name__ == "__main__":
-    main()
+    main()