error running demo

[ake020675]

Met an error when i run the demo with cpu "python main.py --model gcn" :

Traceback (most recent call last):
File "main.py", line 144, in
train(epoch+1)
File "main.py", line 107, in train
for batch_idx, (data, target) in enumerate(train_loader):
File "C:\ProgramData\Anaconda3\lib\site-packages\torch\utils\data\dataloader.p
y", line 804, in next
idx, data = self._get_data()
File "C:\ProgramData\Anaconda3\lib\site-packages\torch\utils\data\dataloader.p
y", line 771, in _get_data
success, data = self._try_get_data()
File "C:\ProgramData\Anaconda3\lib\site-packages\torch\utils\data\dataloader.p
y", line 737, in _try_get_data
raise RuntimeError('DataLoader worker (pid(s) {}) exited unexpectedly'.forma
t(pids_str))
RuntimeError: DataLoader worker (pid(s) 7024, 4932, 1492, 3276) exited unexpecte
dly