label_studio_converter opencv-python onnxruntime onnx torch==2.0.1 torchvision==0.15.2 gunicorn==20.1.0 rq==1.10.1 timm==0.4.12 transformers google-cloud-iam google-cloud-storage label-studio-ml @ git+https://github.com/heartexlabs/label-studio-ml-backend.git