I have an iPad pro with iOS 11.2.6 (recently updated) and Pythonista 3 installed.
Trying to run plotting examples e.g. 3D Plot Demo.py I get "AttributeError module matplotlib has no attribute cbook".

I got stuck there. Oddly enough this particular example did run before, perfectly. One wonders if the recent iOS upgrade broke something.

Any help would be appreciated.

Pi.