问来自torch.utils.data导入实用程序的错误

EN

import torch
import torch.utils
import torch.multiprocessing as multiprocessing
from torch.utils.data import DataLoader
from torch.utils.data import SequentialSampler
from torch.utils.data import RandomSampler
from torch.utils.data import BatchSampler
from torch.utils.data import _utils
from torch.utils.data.dataloader import _DataLoaderIter

from torch.utils.data._utils import collate
from torch.utils.data._utils import signal_handling
from torch.utils.data._utils import MP_STATUS_CHECK_INTERVAL
from torch.utils.data._utils import ExceptionWrapper
from torch.utils.data._utils import IS_WINDOWS
from torch.utils.data._utils.worker import ManagerWatchdog

ImportError                               Traceback (most recent call last)
<ipython-input-8-34f56ac3615b> in <module>()

         12 from torch.utils.data import RandomSampler
         13 from torch.utils.data import BatchSampler
    ---> 14 from torch.utils.data import _utils
         15 from torch.utils.data.dataloader import _DataLoaderIter
         16 

ImportError: cannot import name 'utils' from 'torch.utils.data' (/usr/local/lib/python3.7/dist-packages/torch/utils/data/__init__.py)