Update app.py

app.py

@@ -9,7 +9,7 @@ from paddleocr import PaddleOCR
 import psutil
 import time
 
-ocr = PaddleOCR(use_angle_cls=True, lang=['en','bn'], det_model_dir='models/det', rec_model_dir='models/rec', cls_model_dir='models/cls')
+ocr = PaddleOCR(use_angle_cls=True, lang='ch', det_model_dir='models/det', rec_model_dir='models/rec', cls_model_dir='models/cls')
 
 def classify_background_color(avg_color, white_thresh=230, black_thresh=50, yellow_thresh=100):
     r, g, b = avg_color