git clone https://github.com/ultralytics/yolov5
cd yolov5
git checkout v6.0
pip install -r requirements.txt
pip install -U coremltools onnx scikit-learn==0.19.2

python export.py --include onnx --weights yolov5s.pt --img 640 --batch 1 --opset=11

atc --model=yolo5s.onnx --framework=5 --output=model --soc_version=Ascend310B4