Traceback (most recent call last): File "/usr/share/kde4/apps/printer-applet/monitor.py", line 403, in get_notifications fn (*args) File "/usr/bin/printer-applet", line 896, in job_event result = KMessageBox.warning(self.mainWindow, markup, i18n("Print Error")) AttributeError: type object 'KMessageBox' has no attribute 'warning'