Replace direct parent class call by super()
Replace direct parent class call by super()

Super works, it just needs the correct class.

https://bugzilla.gnome.org/show_bug.cgi?id=729970

sfeltman/pygobject,GNOME/pygobject,pexip/pygobject,sfeltman/pygobject,GNOME/pygobject,GNOME/pygobject,pexip/pygobject,sfeltman/pygobject,pexip/pygobject