cv2.dnn.readNet读取yolov5s.onnx报错 YOLOv5 v7.0 onnx报错 解决方案:将YOLOv5切换为tag v6.2版本 git clone yolov5到本地 git clone https://github.com/ultralytics/yolov5.git 新建一个分支,并切换到tag v6.2 git checkout -b opencv_dnn v6.2 完毕!