Update app.py

app.py

@@ -27,7 +27,7 @@ def swap_faces(source_image_path, target_image_path, enhance_face=True, enhance_
   target_ext = target_image_path.split('.')[-1]
   output_image_file = tempfile.NamedTemporaryFile(suffix=f'.{target_ext}')
   output_image_path = output_image_file.name
-  duration = get_video_duration(target_image_path)
+  duration = int(get_video_duration(target_image_path))
   print(source_image_path)
   print(target_image_path)
   print(output_image_path)