How to change python version of Notebook in Watson Studio (or Cloud Pak for Data)

I used to run Watson Studio's Notebook on Python 3.6, but recently I got a message saying "Python 3.6 is no longer recommended, so change the environment to Python 3.7". This article describes how to change the version of the Watson Studio (or Cloud Pak for Data) Notebook Python environment.


Method 1: Open Notebook in edit mode and modify

1. Open Notebook in edit mode

Click the pencil (edit) icon on the notebook for which you want to change the Python version. image.png

2. Click the i mark (display notebook information) icon in the upper right

Click the icon with the i in the upper right corner: image.png

3. Click the "Environment" tab in the displayed information area

The information will be displayed on the right, click on the Environment tab in it: image.png

4. Click to select the environment you want to change from the "Environment Definition" dropdown.

This time I want to change to Python 3.7, so select the same XS as it is now in Python 3.7. Click the environment definition dropdown: image.png

Select from the drop-down list: image.png

5. When the confirmation "Do you want to change the environment?" Is displayed, click "Change environment".

Check the contents and click "Change Environment". image.png

After that, the screen will be displayed for a while. image.png


You've successfully completed Python 3.7! image.png

Method 2: Change from action on asset page

1: Open the project, click the action menu (vertical ...) of the file you want to change in the Notebooks section of the Assets tab,

Click "Change Environment".

If it is locked or the kernel is running, the "Change environment" menu will not appear, so unlock it and click "Stop kernel" from the file action menu (vertical ...). Please stop and then go.


2: Select the runtime to run Notebook and click "Associate"

Select the runtime that runs your notebook from the drop-down list and click Associate:


I think it has changed for the time being, but the display is still Python 3.6. image.png

It seems to change when booting the kernel after that. Click the pencil (edit) icon.

It was changed safely! :: image.png

When I then go to the Notebooks section of the Assets tab, it says Python 3.7: image.png


I introduced two methods. Either is easy. But it may be troublesome if there are many things to change ... that's all.

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