TypeError: 'NoneType' object is not iterable

[JeremyLinky]

你好！我在跑的时候出现了这个错误，请问怎么解决比较好？
RuntimeError: CUDNN_STATUS_EXECUTION_FAILED
Exception ignored in: <bound method DataLoaderIter.del of <torch.utils.data.dataloader.DataLoaderIter object at 0x7fb2ad14c470>>
Traceback (most recent call last):
File "/usr/local/lib/python3.5/dist-packages/torch/utils/data/dataloader.py", line 333, in del
File "/usr/local/lib/python3.5/dist-packages/torch/utils/data/dataloader.py", line 319, in _shutdown_workers
File "/usr/lib/python3.5/multiprocessing/queues.py", line 345, in get
File "", line 969, in _find_and_load
File "", line 954, in _find_and_load_unlocked
File "", line 887, in _find_spec
TypeError: 'NoneType' object is not iterable

[hanhao2019102935]

I have the same problem.Have you found a solution to the problem?