请问这个是什么情况？

[XJinchen]

Traceback (most recent call last): File "tools/train.py", line 12, in from psdet.datasets.builder import build_dataloader File "/test/apa/psdet/datasets/init.py", line 1, in from .parking import ParkingSlotDataset File "/test/apa/psdet/datasets/parking/init.py", line 1, in from .ps_dataset import ParkingSlotDataset File "/test/apa/psdet/datasets/parking/ps_dataset.py", line 8, in from psdet.datasets.base import BaseDataset File "/test/apa/psdet/datasets/base.py", line 8, in @DATASETS.register() TypeError: register() missing 1 required positional argument: 'cls'