Comment 3 for bug 791690

I executed it in terminal with preceded "sudo". When I want add the new printer in terminal error message appears.

constantin@Gateway-PC:~$ sudo system-config-printer
Traceback (most recent call last):
  File "/usr/share/system-config-printer/asyncipp.py", line 197, in send_reply
    handler (self._conn, result)
  File "/usr/share/system-config-printer/asyncconn.py", line 93, in reply_handler
    self._reply_handler (self, self._reply_data, *args)
  File "/usr/share/system-config-printer/asyncconn.py", line 204, in _subst_reply_handler
    reply_handler (self, *args)
  File "/usr/lib/pymodules/python2.7/cupshelpers/cupshelpers.py", line 602, in _reply_handler
    self._client_reply_handler (connection, devices)
  File "/usr/share/system-config-printer/newprinter.py", line 1375, in <lambda>
    current_uri))
  File "/usr/share/system-config-printer/newprinter.py", line 1405, in local_devices_reply
    self.add_devices (result, current_uri)
  File "/usr/share/system-config-printer/newprinter.py", line 1804, in add_devices
    physdev = model.get_value (iter, 1)
TypeError: iter must be a GtkTreeIter