Import configure_inline_support from matplotlib_inline if available

[ccordoba12]

• This correctly applies the rcParams declared in the inline backend configuration when using %matplotlib inline.
• This is necessary for IPython 7.23+, which requires matplotlib_inline now.
• I also think a new release in the 5.5 series is required to work with that IPython version.

Pinging @SylvainCorlay and @blink1073 about this one.

[blink1073]

Thanks!

[martinRenou]

This should be handled by #591

[blink1073]

Ah, I see, thanks @martinRenou!

[martinRenou]

I also think a new release in the 5.5 series is required to work with that IPython version.

I remember trying and I saw it working, so it should be fine, although maybe not the configuration. I introduced an issue that ipython/ipython#12940 fixes, but this code should not be triggered, ipykernel was already using its own configure_inline_support function IIRC.

I guess one can have a problem with an old ipykernel combined with latest IPython.

[ccordoba12]

I remember trying and I saw it working, so it should be fine, although maybe not the configuration

It is working, I confirmed it in Spyder.

but this code should not be triggered, ipykernel was already using its own configure_inline_support function IIRC.

I don't see a problem with it being triggered for now. I mean, the problem is that the inline backend is currently semi-broken and this will fix it until ipykernel 6 is released.

[blink1073]

@ccordoba12 if you can make a PR to 5.5.x I an cut a release.

[ccordoba12]

Ok, thanks for understanding @blink1073! Will do right away.