Comment 3 for bug 1076165

Nothing happened when I clicked on the edit or delete buttons.
But I edited the files manually and now it crashes at launch:
pierre@pierre-MacBook:~$ software-properties-gtk
WARNING:root:could not open file '/etc/apt/sources.list.d/afj-trg-oneiric.list'

WARNING:root:could not open file '/etc/apt/sources.list.d/rabbitvcs-ppa-precise.list'

WARNING:root:could not open file '/etc/apt/sources.list.d/afj-trg-oneiric.list'

WARNING:root:could not open file '/etc/apt/sources.list.d/rabbitvcs-ppa-precise.list'

gpg: /tmp/tmpml2w1g/trustdb.gpg: trustdb created
Traceback (most recent call last):
  File "/usr/bin/software-properties-gtk", line 103, in <module>
    app = SoftwarePropertiesGtk(datadir=options.data_dir, options=options, file=file)
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 169, in __init__
    self.show_keys()
  File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 828, in show_keys
    for key in self.apt_key.list():
  File "/usr/lib/python3/dist-packages/softwareproperties/AptAuth.py", line 77, in list
    for line in p:
  File "/usr/lib/python3.2/encodings/ascii.py", line 26, in decode
    return codecs.ascii_decode(input, self.errors)[0]
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 1125: ordinal not in range(128)