fix: image read

printed_photos_attacks.py

@@ -61,7 +61,7 @@ class PrintedPhotosAttacks(datasets.GeneratorBasedBuilder):
                 'attack': attack_path,
                 'live_selfie': {
                     'path': live_selfie_path,
-                    'bytes': live_selfie
+                    'bytes': live_selfie.read()
                 },
                 'live_video': live_video_path
             }