cannot import name '_DataLoaderIter' from 'torch.utils.data.dataloader'

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When I use pytorch 1.3.1 with python3.7.4, like this

import torch

from torch.utils.data.dataloader import _DataLoaderIter

Here is an errer : cannot import name '_DataLoaderIter' from 'torch.utils.data.dataloader' How should I solve that? Should I uninstall 1.3.1?