Hello, This is fixed with merging
https://github.com/pharo-project/pharo/pull/16487 > On 17 Apr 2024, at 18:36, Noury Bouraqadi <bouraq...@gmail.com> wrote: > > Hi, > > Why is the handling of empty trait compositions is different for class side? > > Suppose we have trait T used by class A. > Consider B a subclass of A. > > B traitComposition ---> TaEmptyTraitComposition "Same for P11 and P12" > > B class trait "Difference !!!" > ---> TaEmptyTraitComposition "in P11" > ---> TaSequence {TaEmptyTraitComposition. TraitedClass} "in P12" > > Noury > > > Noury > >