Traceback (most recent call last):
  File "/usr/share/system-config-printer/system-config-printer.py", line 3086, in printer_name_edited
    self.rename_printer (name, newname)
  File "/usr/share/system-config-printer/system-config-printer.py", line 3152, in rename_printer
    self.printer.setAccepting (True)
AttributeError: 'NoneType' object has no attribute 'setAccepting'