Update app.py

app.py

@@ -7,6 +7,7 @@ import shutil
 from pathlib import Path
 from kraken.lib import vgsl
 from kraken.lib import models
+from kraken import serialization
 import logging
 import numpy as np
 import cv2
@@ -21,6 +22,7 @@ import re
 import time
 
 # Configure logging
+logger = logging.getLogger(__name__)
 logging.basicConfig(level=logging.WARNING)
 logging.getLogger('kraken').setLevel(logging.WARNING)
 logging.getLogger('kraken.serialization').setLevel(logging.WARNING)