Jupyter-scatter plots sometimes not shown in VS Code

[yulewu]

Problem

The Jupyter-scatter implementation of plots is sometimes not shown in VS Code. These scatter plots are used in the UELer GUI, specifically within the Chart plugin. This intermittently affects users who rely on VS Code's built-in Jupyter support when visualizing scatter plots generated through the Jupyter notebooks in the UELer project.

Steps to Reproduce

1. Open a Jupyter notebook in VS Code.
2. Initiate UELer.
3. Display a scatter plot using the Chart plugin, which depends on Jupyter-scatter.
4. Observe whether the plot appears as expected. The issue is intermittent, but when it occurs, no scatter plots can be displayed, resulting in a major issue.

Expected Behavior

Scatter plots should reliably show up in VS Code when using the Jupyter-scatter implementation via the Chart plugin.

Actual Behavior

Sometimes the plots do not appear at all. When this happens, no further scatter plots can be displayed.

Environment

• VS Code (1.108.0-insider)
• Jupyter extension for VS Code
• UELer (GitHub commit 1e3aadc)