AttributeError: 'ConfigDict' object has no attribute 'data'

[Vish19-code]

i have this wrror while runing this command

python tools/misc/visualize_results.py configs/mvxnet/mvxnet_fpn_dv_second_secfpn_8xb2-80e_kitti-3d-3class.py --result work_dirs/mvxnet_fpn_dv_second_secfpn_8xb2-80e_kitti-3d-3class/results/pred_instances_3d.pkl --show-dir work_dirs/mvxnet_fpn_dv_second_secfpn_8xb2-80e_kitti-3d-3class/vis_outputs