Traceback (most recent call last):
File “”, line 1, in
File “/opt/anaconda3/envs/d2l/lib/python3.10/multiprocessing/spawn.py”, line 116, in spawn_main
exitcode = _main(fd, parent_sentinel)
File “/opt/anaconda3/envs/d2l/lib/python3.10/multiprocessing/spawn.py”, line 126, in _main
self = reduction.pickle.load(from_parent)
AttributeError: Can’t get attribute ‘VOCSegDataset’ on <module ‘main’ (built-in)>
请问这个问题要怎么解决啊？