Comment 2 for bug 1291678

The error above was occurring when using the unpatched package. With the patched package I get another error:

$ software-properties-gtk
Traceback (most recent call last):
  File "/usr/bin/software-properties-gtk", line 37, in <module>
    from softwareproperties.gtk.SoftwarePropertiesGtk import SoftwarePropertiesGtk
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 51, in <module>
    from softwareproperties.SoftwareProperties import SoftwareProperties
  File "/usr/lib/python3/dist-packages/softwareproperties/SoftwareProperties.py", line 57, in <module>
    from . import shortcuts
  File "/usr/lib/python3/dist-packages/softwareproperties/shortcuts.py", line 23, in <module>
    _DEF_CODENAME = aptsources.distro.get_distro().codename
  File "/usr/lib/python3/dist-packages/aptsources/distro.py", line 490, in get_distro
    codename = result['Suite']
KeyError: 'Suite'