mm_faster_rcnn_train_coco_bccd 학습시 수행이 안됩니다

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
Cell In[20], line 4
      2 mmcv.mkdir_or_exist(osp.abspath(cfg.work_dir))
      3 # epochs는 config의 runner 파라미터로 지정됨. 기본 12회 
----> 4 train_detector(model, datasets, cfg, distributed=False, validate=True)

File /opt/conda/lib/python3.10/site-packages/mmdet-2.28.2-py3.10.egg/mmdet/apis/train.py:163, in train_detector(model, dataset, cfg, distributed, validate, timestamp, meta)
    156     model = build_ddp(
    157         model,
    158         cfg.device,
    159         device_ids=[int(os.environ['LOCAL_RANK'])],
    160         broadcast_buffers=False,
    161         find_unused_parameters=find_unused_parameters)
    162 else:
--> 163     model = build_dp(model, cfg.device, device_ids=cfg.gpu_ids)
    165 # build optimizer
    166 auto_scale_lr(cfg, distributed, logger)

File /opt/conda/lib/python3.10/site-packages/mmcv/utils/config.py:524, in Config.__getattr__(self, name)
    523 def __getattr__(self, name):
--> 524     return getattr(self._cfg_dict, name)

File /opt/conda/lib/python3.10/site-packages/mmcv/utils/config.py:52, in ConfigDict.__getattr__(self, name)
     50 else:
     51     return value
---> 52 raise ex

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

^캐글

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-25-adb1a52111f0> in <cell line: 4>()
      2 mmcv.mkdir_or_exist(osp.abspath(cfg.work_dir))
      3 # epochs는 config의 runner 파라미터로 지정됨. 기본 12회
----> 4 train_detector(model, datasets, cfg, distributed=False, validate=True)

2 frames
/usr/local/lib/python3.10/dist-packages/mmcv/utils/config.py in __getattr__(self, name)
     50         else:
     51             return value
---> 52         raise ex
     53 
     54 

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

^코랩

안녕하세요 좋은 강의 감사드립니다.

import os.path as osp

mmcv.mkdir_or_exist(osp.abspath(cfg.work_dir))

# epochs는 config의 runner 파라미터로 지정됨. 기본 12회

train_detector(model, datasets, cfg, distributed=False, validate=True)

이 셀이 실행시 이러한 오류가 뜨는데 이유를 모르겠습니다