def METHOD_NAME(self):
    if platform.system().lower() == 'windows':
        # the default human/animal pose estimator utilizes rtmdet-m
        # detector through alias, which seems not compatible with windows
        det_model = 'demo/mmdetection_cfg/faster_rcnn_r50_fpn_coco.py'
        det_weights = 'https://download.openmmlab.com/mmdetection/v2.0/' \
                      'faster_rcnn/faster_rcnn_r50_fpn_1x_coco/' \
                      'faster_rcnn_r50_fpn_1x_coco_20200130-047c8118.pth'
    else:
        det_model, det_weights = None, None
    return det_model, det_weights