AttributeError: 'NoneType' object has no attribute 'convert_from_pinhole_camera_parameters'

[Leonnn12138]

please help

Traceback (most recent call last):
File "test.py", line 138, in
main(args)
File "test.py", line 87, in main
vis_pc(pc, bboxes=lidar_bboxes, labels=labels)
File "/mnt/PointPillars/utils/vis_o3d.py", line 97, in vis_pc
vis_core(vis_objs)
File "/mnt/PointPillars/utils/vis_o3d.py", line 59, in vis_core
ctr.convert_from_pinhole_camera_parameters(param)
AttributeError: 'NoneType' object has no attribute 'convert_from_pinhole_camera_parameters'

[ronkkkk]

I have the same problem and I don't know how to solve it

[ABBoyangCD]

I have the same problem too!
我也有相同的问题！
@zhulf0804