Matplotlib : cannot turn off interactive mode in spyder

Question

With this code :

import matplotlib.pyplot as plt
plt.ioff()
plt.plot([1.6, 2.7])
plt.show()

show() call should block until I close the graph. But it doesn't, show() does not block execution. I can add some code to IPython shell while my figure still displayed.

Python 3.7.0 (default, Jun 28 2018, 08:04:48) [MSC v.1912 64 bit (AMD64)]
Type "copyright", "credits" or "license" for more information.

IPython 6.5.0 -- An enhanced Interactive Python.

My backend is 'Qt5Agg'

I tested this code on another python env (from Cygwin): it works flawlessly.

ImportanceOfBeingErnest · Accepted Answer · 2019-01-04 11:15:36Z

1

You can turn off support for matplotlib via

Tools/Preferences/IPython Console/Graphics/Support for graphics(Matplotlib)/Activate support

answered Jan 4, 2019 at 11:15

ImportanceOfBeingErnest

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4 Comments

rem Over a year ago

Deactivating matplotlib support does not solve this issue

ImportanceOfBeingErnest Over a year ago

It works fine for me. Did you restart spyder after changing that option? Also maybe you can spend some more words on how you run that code? (I'm assuming here that the code you show is a file in the spyder editor and is run via F5 or Run/Run)

rem Over a year ago

I double checked, it does not solve my issue. Either when running code from file or from ipython, show does not block with given code. Strange issue.

ImportanceOfBeingErnest Over a year ago

Do you have anything filled in under "Startup"? Also your spyder version might be of interest.

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