Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/dbus/connection.py", line 607, in msg_reply_handler
    *message.get_args_list()))
  File "/usr/lib/python2.7/dist-packages/aptdaemon/errors.py", line 188, in <lambda>
    lambda err: error_handler(get_native_exception(err))
  File "/usr/lib/python2.7/dist-packages/aptdaemon/errors.py", line 202, in get_native_exception
    dbus_msg = error.get_dbus_message()
  File "/usr/lib/python2.7/dist-packages/dbus/exceptions.py", line 60, in get_dbus_message
    s = Exception.__str__(self)
UnicodeEncodeError: 'ascii' codec can't encode characters in position 20-28: ordinal not in range(128)