'AxesImage' object has no property 'unique'

ok so those dev notebooks aren’t included in the automated tests that you mentioned … correct?

Correct. The tests are for the library notebooks. Those are course notebooks, which aren’t the same thing.

ok thanks - just trying to get a handle on how this is all set up … whether it’s my installation, or whether it’s the code that’s checked into the repo … sounds like the latter …