Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/gi/overrides/GLib.py", line 634, in <lambda>
    return (lambda data: callback(*data), user_data)
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 1323, in show_drivers
    (overall_status, icon, drivers) = self.gather_device_data(self.devices[device])
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 1277, in gather_device_data
    description = base_string.format(base_description=description, licence=licence)
KeyError: 'license'