The "model" registry in mmdet did not set import location.

[abeleehx]

1、pip install -U openmim
2、mim install mmengine
3、mim install "mmcv>=2.0.0rc1"
4、git clone https://github.com/open-mmlab/mmdetection.git -b 3.x
5、cd mmdetection
6、pip install -v -e
7、mim download mmdet --config yolov3_mobilenetv2_8xb24-320-300e_coco --dest .
8、python demo/image_demo.py demo/demo.jpg yolov3_mobilenetv2_8xb24-320-300e_coco.py yolov3_mobilenetv2_320_300e_coco_20210719_215349-d18dff72.pth --device cpu --out-file result.jpg

output：

12/30 17:25:05 - mmengine - WARNING - The "model" registry in mmdet did not set import location. Fallback to call mmdet.utils.register_all_modules instead.
12/30 17:25:05 - mmengine - WARNING - The "task util" registry in mmdet did not set import location. Fallback to call mmdet.utils.register_all_modules instead.
Loads checkpoint by local backend from path: yolov3_mobilenetv2_320_300e_coco_20210719_215349-d18dff72.pth
12/30 17:25:05 - mmengine - WARNING - The "visualizer" registry in mmdet did not set import location. Fallback to call mmdet.utils.register_all_modules instead.
/root/anaconda3/envs/openmmlab/lib/python3.8/site-packages/mmengine/visualization/visualizer.py:170: UserWarning: Visualizer backend is not initialized because save_dir is None.
warnings.warn('Visualizer backend is not initialized '
12/30 17:25:05 - mmengine - WARNING - The "transform" registry in mmdet did not set import location. Fallback to call mmdet.utils.register_all_modules instead.

[RangiLyu]

The latest mmengine updated the registry import logic. We will support this new feature in the next version of mmdetection. You can ignore this warning currently.