Update app.py

app.py

@@ -14,7 +14,7 @@ from datetime import datetime
 yolo_model = YOLO("models/best.pt")
 ocr_model  = PaddleOCR(
     det_model_dir=None,                      # we only use recognition
-    rec_model_dir="models/best_plate_model.pdparams", # your fine-tuned OCR weights
+    rec_model_dir="models/best_plate_model", # your fine-tuned OCR weights
     use_angle_cls=True,
     use_space_char=True
 )