[invoke] missed a bit when removing constructor_class usage
[invoke] missed a bit when removing constructor_class usage

thiblahute/pygobject,choeger/pygobject-cmake,choeger/pygobject-cmake,davibe/pygobject,GNOME/pygobject,MathieuDuponchelle/pygobject,thiblahute/pygobject,GNOME/pygobject,davidmalcolm/pygobject,pexip/pygobject,MathieuDuponchelle/pygobject,davidmalcolm/pygobject,jdahlin/pygobject,davidmalcolm/pygobject,sfeltman/pygobject,davibe/pygobject,pexip/pygobject,GNOME/pygobject,sfeltman/pygobject,MathieuDuponchelle/pygobject,davibe/pygobject,jdahlin/pygobject,davibe/pygobject,sfeltman/pygobject,thiblahute/pygobject,pexip/pygobject,jdahlin/pygobject,choeger/pygobject-cmake