fix Qt resources not init (#64)

Author: GreatV

PPOCRLabel.py

@@ -70,6 +70,7 @@
 sys.path.append(os.path.join(__dir__, ""))
 
 from paddleocr import PaddleOCR, PPStructure
+import libs.resources
 from libs.constants import (
     SETTING_ADVANCE_MODE,
     SETTING_DRAW_SQUARE,