优化命名，类与模块最好不要重名

paddle_detection/detector.py

@@ -11,7 +11,7 @@ from tenacity import retry, stop_after_attempt, wait_random
 from paddle_detection import PADDLE_DET
 from paddle_detection.deploy.third_engine.onnx.infer import PredictConfig
 from paddle_detection.deploy.third_engine.onnx.preprocess import Compose
-from util import image_util, util
+from util import image_util, common_util
 
 
 def predict_image(infer_config, predictor, img_path):
@@ -45,7 +45,7 @@ def get_book_areas(image):
     with tempfile.NamedTemporaryFile(delete=False, suffix=".jpg") as temp_file:
         cv2.imwrite(temp_file.name, image)
     detect_result = detect_image(temp_file.name)
-    util.delete_temp_file(temp_file.name)
+    common_util.delete_temp_file(temp_file.name)
     book_areas = detect_result[73]
     result = []
     for book_area in book_areas: