cron test error: ./3d_segmentation/unet_segmentation_3d_ignite.ipynb

[wyli]

Describe the bug
nightly build error since #408

Running ./3d_segmentation/unet_segmentation_3d_ignite.ipynb
Checking PEP8 compliance...
Running notebook...
Before:
    "max_epochs = 10\n",
After:
    "max_epochs = 1\n",

Executing:   0%|          | 0/31 [00:00<?, ?cell/s]
Executing:   3%|▎         | 1/31 [00:00<00:28,  1.05cell/s]
Executing:  10%|▉         | 3/31 [00:04<00:32,  1.15s/cell]
Executing:  16%|█▌        | 5/31 [00:06<00:29,  1.15s/cell]
Executing:  35%|███▌      | 11/31 [00:14<00:23,  1.18s/cell]
Executing:  42%|████▏     | 13/31 [00:16<00:21,  1.22s/cell]
Executing:  68%|██████▊   | 21/31 [00:16<00:08,  1.17cell/s]
Executing:  77%|███████▋  | 24/31 [00:20<00:07,  1.00s/cell]
Executing:  84%|████████▍ | 26/31 [00:22<00:04,  1.06cell/s]
Executing:  90%|█████████ | 28/31 [00:24<00:02,  1.16cell/s]

real	0m24.938s
user	0m26.461s
sys	0m8.162s
Check failed!

[wyli]

not much info from the log, could you help look into this one? cc @Nic-Ma

[Nic-Ma]

Hi @wyli ,

Could you please help share the full log link?
I want to compare with other tests in the same run.

Thanks.