abrt 1.1.0 detected a crash.

architecture: i686
cmdline: python /usr/share/system-config-printer/system-config-printer.py
component: system-config-printer
executable: /usr/share/system-config-printer/system-config-printer.py
kernel: 2.6.33.3-85.fc13.i686.PAE
package: system-config-printer-1.2.1-1.fc13
reason: system-config-printer.py:3607:checkNPName:AttributeError: GUI instance has no attribute 'printers'
release: Fedora release 13 (Goddard)

backtrace
-----
system-config-printer.py:3607:checkNPName:AttributeError: GUI instance has no attribute 'printers'

Traceback (most recent call last):
  File "/usr/share/system-config-printer/system-config-printer.py", line 6331, in on_tvNPModels_cursor_changed
    self.on_tvNPDrivers_cursor_changed(self.tvNPDrivers)
  File "/usr/share/system-config-printer/system-config-printer.py", line 6334, in on_tvNPDrivers_cursor_changed
    self.setNPButtons()
  File "/usr/share/system-config-printer/system-config-printer.py", line 4655, in setNPButtons
    self.mainapp.checkNPName(self.entNPName.get_text()))
  File "/usr/share/system-config-printer/system-config-printer.py", line 3607, in checkNPName
    for printer in self.printers.values():
AttributeError: GUI instance has no attribute 'printers'

Local variables in innermost frame:
self: <__main__.GUI instance at 0xa1e6d4c>
name: u'hp-officejet-7300-series'

How to reproduce
-----
1.Added printer
2.
3.