[Matplotlib-users] Matplotlib plots display as blank in interactive mode with no error messages - (one) Solution

[Thomas Caswell]

This is possible related to
https://github.com/matplotlib/matplotlib/issues/13988 .  What backend are
you using?

Tom

On Fri, May 17, 2019 at 5:19 AM FilipPersson <filip at ownit.nu> wrote:

> I spent several hours googling and trying myself to change my code to fix
> this. No luck in googling and the fact that there was a kind of doing brain
> surgery on Matplotlib by uninstall, re-install and update and change
> backend
> library for a similar but not quite the same problem made me think that I
> should post the solution somewhere since it was almost impossible to spot.
>
> If you get plots like this:
> <http://matplotlib.1069221.n5.nabble.com/file/t5236/Blank_plot.png>
> Which, as you see gives no error output - not even when clicking on the
> graph. Actually, nothing at all happens when clicking on the graph.
> Interactivity is lost.
>
> It could be a LaTeX problem causing it!
> The reason for the blank plot was that I had used a LaTeX escape character
> for the value 0 when creating nice labels for the x axis. Apparently, using
> '$\0$' to write the number zero in LaTeX makes the plots blank and kills
> the
> interactivity. Restarting the kernel did no good.
> If I instead write '$0$' as a label, everything works fine again.
>
> My environment is Mac OSX 10.13.6, Matplotlib 3.0.2, Python 3.7.1, running
> in Jupyter (notebook server version 5.7.4, IPython 7.2.0) in Safari Version
> 12.0 (13606.2.11).
>
> If you want to see my code, please request it and then I will post it.
>
>
>
> --
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-- 
Thomas Caswell
tcaswell at gmail.com
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