force single thread

app.py

@@ -14,6 +14,8 @@ from paddleocr import PaddleOCR
 from PIL import Image
 import numpy as np
 
+os.environ["OMP_NUM_THREADS"] = "1"
+os.environ["MKL_NUM_THREADS"] = "1"
 
 app = Flask(__name__)
 app.config.from_object(