def METHOD_NAME(self):
    try:
        from mmdet.apis.det_inferencer import DetInferencer  # noqa: F401
    except (ImportError, ModuleNotFoundError):
        return unittest.skip('mmdet is not installed')
    det_model, det_weights = self._get_det_model_weights()
    # 1. init with config path and checkpoint
    inferencer = Pose3DInferencer(
        model=  # noqa
        'configs/body_3d_keypoint/pose_lift/h36m/pose-lift_videopose3d-243frm-supv-cpn-ft_8xb128-200e_h36m.py',  # noqa
        weights=  # noqa
        'https://download.openmmlab.com/mmpose/body3d/videopose/videopose_h36m_243frames_fullconv_supervised_cpn_ft-88f5abbb_20210527.pth',  # noqa
        pose2d_model='configs/body_2d_keypoint/simcc/coco/'
        'simcc_res50_8xb64-210e_coco-256x192.py',
        pose2d_weights='https://download.openmmlab.com/mmpose/'
        'v1/body_2d_keypoint/simcc/coco/'
        'simcc_res50_8xb64-210e_coco-256x192-8e0f5b59_20220919.pth',
        det_model=det_model,
        det_weights=det_weights,
        det_cat_ids=0 if det_model else None)
    self.assertIsInstance(inferencer.model, torch.nn.Module)
    self.assertIsInstance(inferencer.pose2d_model, Pose2DInferencer)
    # 2. init with config name
    inferencer = Pose3DInferencer(
        model='configs/body_3d_keypoint/pose_lift/h36m/pose-lift_'
        'videopose3d-243frm-supv-cpn-ft_8xb128-200e_h36m.py',
        pose2d_model='configs/body_2d_keypoint/simcc/coco/'
        'simcc_res50_8xb64-210e_coco-256x192.py',
        det_model=det_model,
        det_weights=det_weights,
        det_cat_ids=0 if det_model else None)
    self.assertIsInstance(inferencer.model, torch.nn.Module)
    self.assertIsInstance(inferencer.pose2d_model, Pose2DInferencer)
    # 3. init with alias
    inferencer = Pose3DInferencer(
        model='human3d',
        det_model=det_model,
        det_weights=det_weights,
        det_cat_ids=0 if det_model else None)
    self.assertIsInstance(inferencer.model, torch.nn.Module)
    self.assertIsInstance(inferencer.pose2d_model, Pose2DInferencer)