Failed to start the Kernel AttributeError: 'SelectIOLoop' object has no attribute 'asyncio_loop'

Question

I try to: import numpy as np as usual using vscode, but it Failed to start the Kernel:

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AttributeError: 'SelectIOLoop' object has no attribute 'asyncio_loop'. View Jupyter log for further details.

python version: python 3.11.1 vscode version: vscode 1.84.2

can anyone help? thank you.

i already try to re install the tornado to newest version.

Answer 1

AttributeError: 'SelectIOLoop' object has no attribute 'asyncio_loop'. View Jupyter log for further details.

You will need to upgrade your tornado version to at least 5.0 by command pip install tornado --upgrade