Traceback (most recent call last): File "/usr/share/system-config-printer/newprinter.py", line 792, in on_ppdsloader_finished_next self.nextNPTab() File "/usr/share/system-config-printer/newprinter.py", line 1061, in nextNPTab if not self.device.id: AttributeError: 'NoneType' object has no attribute 'id'