ShowOn missing from backends_gtk ?

    > If I start, it complains that ShowOn can't
    > be imported. Sure enough, there seems to be no method
    > ShowOn. Or at least I can't find it. Consequently
    > loses it's charm :slight_smile:

    > Or have I misunderstood something?

You are using an out-of-date Matplotlib recently
changed (improved!) the way it sets the interactive flags. You have
the new matplotlib module and the old code. Grab
the latest *.tar.gz or *.zip and use examples/ from
that code.

Should help,

Yes, thank you.