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Hello,
I try to use TAO toolkit on Ubuntu18.04 Desktop.

I sat the virtual environment and nvidia docker.

nvidia@host-pc:~$
nvidia@host-pc:~$ workon tao_venv
(tao_venv) nvidia@host-pc:~$
(tao_venv) nvidia@host-pc:~$
(tao_venv) nvidia@host-pc:~$
(tao_venv) nvidia@host-pc:~$
(tao_venv) nvidia@host-pc:~$ sudo docker login nvcr.io
[sudo] password for nvidia:
Authenticating with existing credentials...
Login did not succeed, error: Error response from daemon: Get "https://nvcr.io/v2/": unauthorized: authentication required
Username ($oauthtoken): $oauthtoken
Password:
WARNING! Your password will be stored unencrypted in /home/nvidia/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded
(tao_venv) nvidia@host-pc:~$
(tao_venv) nvidia@host-pc:~$
(tao_venv) nvidia@host-pc:~$
(tao_venv) nvidia@host-pc:~$ jupyter notebook
[I 10:39:20.349 NotebookApp] Serving notebooks from local directory: /home/nvidia/workspace
[I 10:39:20.349 NotebookApp] Jupyter Notebook 6.4.5 is running at:
[I 10:39:20.349 NotebookApp] http://host-pc:8888/
[I 10:39:20.349 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[I 10:39:39.159 NotebookApp] 302 GET / (192.168.110.202) 1.350000ms
[I 10:39:56.295 NotebookApp] Kernel started: ef6efd57-70f3-4002-b543-df7a3ad267ba, name: python3
ERROR:asyncio:Exception in callback <TaskStepMethWrapper object at 0x7f7fcda6e860>()
handle: <Handle <TaskStepMethWrapper object at 0x7f7fcda6e860>()>
Traceback (most recent call last):
  File "/usr/lib/python3.6/asyncio/events.py", line 145, in _run
    self._callback(*self._args)
KeyError: <_UnixSelectorEventLoop running=True closed=False debug=False>
[I 16:19:34.467 NotebookApp] Starting buffering for ef6efd57-70f3-4002-b543-df7a3ad267ba:ba6ce6cd1def4f1887d4f0128849ec09
[I 16:19:34.684 NotebookApp] Kernel restarted: ef6efd57-70f3-4002-b543-df7a3ad267ba
[I 16:19:34.702 NotebookApp] Restoring connection for ef6efd57-70f3-4002-b543-df7a3ad267ba:ba6ce6cd1def4f1887d4f0128849ec09
[I 16:19:35.211 NotebookApp] Replaying 3 buffered messages
[I 16:19:41.219 NotebookApp] Starting buffering for ef6efd57-70f3-4002-b543-df7a3ad267ba:ba6ce6cd1def4f1887d4f0128849ec09
[I 16:19:41.434 NotebookApp] Kernel restarted: ef6efd57-70f3-4002-b543-df7a3ad267ba
[I 16:19:41.449 NotebookApp] Restoring connection for ef6efd57-70f3-4002-b543-df7a3ad267ba:ba6ce6cd1def4f1887d4f0128849ec09
[I 16:19:41.786 NotebookApp] Replaying 3 buffered messages
[I 16:19:56.504 NotebookApp] Saving file at /tao_cv/cv_samples_v1.2.0/yolo_v4/yolo_v4.ipynb
[I 16:21:56.509 NotebookApp] Saving file at /tao_cv/cv_samples_v1.2.0/yolo_v4/yolo_v4.ipynb

And I try to use YOLOv4 sample code with remote access from another laptop.
But i’ve got these error message.

What did i mistake?