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Update restart kernel code #200

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Sep 30, 2025
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Update restart kernel code #200

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5 changes: 3 additions & 2 deletions docs/labs/tools/jupyterlab/overview.md
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Expand Up @@ -118,8 +118,9 @@ Follow these best practices when creating JupyterLab labs:
- Pin python package versions when installing using `conda` or `mamba`. For instance, instead of using `!mamba install -c conda-forge -y matplotlib`, use `!mamba install -c conda-forge -y matplotlib==3.10.0`
- Ask learners to restart their kernel between installing Python libraries and importing them. There are several ways that this can be accomplished. You can include a code cell that, when run, restarts the kernel:
```python
import os
os._exit(00)
# Restart the kernel
from IPython import get_ipython
get_ipython().kernel.do_shutdown(restart=True)
```
And, as a workaround in case the above code fails to restart the kernel for a learner, you can include the following image in a markdown cell that asks the learner to click the kernel restart button:
![An image that shows the location of the jupyterlab restart kernel button](/img/labs/restart-jupyterlab-kernel.png)
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