Traceback (most recent call last):
  File "/usr/share/software-center/softwarecenter/view/widgets/actionbar.py", line 306, in <lambda>
    callback = lambda *trash_args: function(*args)
  File "/usr/share/software-center/softwarecenter/view/softwarepane.py", line 418, in on_add_to_launcher
    (icon_name, icon_size, icon_x, icon_y) = self._get_icon_details_for_launcher_service(app)
ValueError: too many values to unpack