During pretrain stage,the problem of RecursionError: maximum recursion depth exceeded in comparison.

[fdy61]

I run the command of python tools/train.py --cfg_file
/home/fudongyi/ReDB/ST3D-master/tools/cfgs/da-nuscenes-kitti_models/secondiou/secondiou_ros_cyc.yaml, and encounter this problem.

the problem is like this.
Does somebody know how to solve it?