michael-jeulinl/Slicer — comment on commit 99ed3ed10cc5ca0c582eba5d1f379e0e3fdd543c
File: Libs/MRMLDisplayableManager/vtkMRMLReformatWidgetDisplayableManager3D.cxx line 127
By finetjul:

minor comment: AddObserver before inserting it in the list (in case addobserver throw an exception)