[Pkg-kde-extras] Bug#865885: weboob plugin is unusable

[VA]

Package: kmymoney
Version: 4.8.0-2+b1

When I try to use the weboob plugin with "map to online account", I get 
nothing if click on "select backends".
On stderr, kmymoney outputs :

Kross: "Error error=Failed to determine interpreter for scriptfile 
"/usr/share/kde4/apps/kmm_weboob/weboob.py" lineno=-1 trace=

However, I have the kross and krosspython packages installed (4:16.08.0-1).
I think the problem might be that krosspython uses Qt5 while kmymoney 
uses Qt4.