Traceback (most recent call last): File "/usr/share/system-config-printer/system-config-printer.py", line 3438, in on_btnChangePPD_clicked self.newPrinterGUI.init("ppd") File "/usr/share/system-config-printer/system-config-printer.py", line 3952, in init self.fillMakeList() File "/usr/share/system-config-printer/system-config-printer.py", line 6238, in fillMakeList if self.device.id_dict: AttributeError: NewPrinterGUI instance has no attribute 'device'