> If I start interactive2.py, 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
> interactive2.py loses it's charm
> Or have I misunderstood something?
You are using an out-of-date interactive2.py. Matplotlib recently
changed (improved!) the way it sets the interactive flags. You have
the new matplotlib module and the old interactive2.py code. Grab
the latest *.tar.gz or *.zip and use examples/interactive2.py from
Yes, thank you.