matplotlib / matplotlib/ipympl

plt.pause uses removed `start_event_loop_default` API

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Dominant language
Jupyter Notebook
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Description

As the title suggests, attempting to pause through matplotlib currently raises an error. The minimum working example is:

%matplotlib widget
from matplotlib import pyplot as plt

plt.plot([1,2,3])
plt.pause(1)    
plt.plot([3,2,1])
plt.close()

This raises an attribute error trying to call FigureCanvasBase.start_event_loop_default. A little googling suggests this function has been removed since version 3.0.

Taking inspiration from #17, I guess the simplest get around is using time.sleep but is there a better solution?

Thanks for your help.

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the provided Jupyter example and trace plt.pause to the FigureCanvasBase.start_event_loop_default entry point mentioned in the report, using issue #17 for related context. Done means the example runs without the removed-API AttributeError and both plots can be displayed and closed as described.

Written by the indexing model from the issue text.

Assessment

Tech stack
jupyter-notebook, python
Domain
data-visualization
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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