added exception in the case of KL modes without central obsc#84

Merged

matthewtownson merged 2 commits intoAOtools:mainfrom ojdf:klmode_exception

Jul 8, 2022

Commits on Jun 23, 2022

added exception in the case of KL modes without central obsc
ojdf
committed

Commits on Jun 24, 2022

Exception changed to ValueError
ojdf
committed