[Bug 1647363] [NEW] Kubuntu installer crashes: TypeError StandardButton too many arguments

[Stephan Diestelhorst]

Public bug reported:

Trying to install Kubuntu 16.10 from the installer with a 64 bit ISO
burned onto a SUB stick.  Rana successful installation of the stick on
another machine  Difference here is that the installer wants me to
disable secure boot to install the proprietary drivers and asks for a
password.

The only way I can get past that screen is to allow it to disable secure
boot and thus put in a password.  After clicking next, the installer
crashes with the following back trace:

Traceback (most recent call last):
  File "/usr/lib/ubiquity/bin/ubiquity", line 655, in <module>
    main(oem_config)
  File "/usr/lib/ubiquity/bin/ubiquity", line 639, in main
    install(args[0], query=options.query)
  File "/usr/lib/ubiquity/bin/ubiquity", line 274, in install
    ret = wizard.run()
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_ui.py", line 512, in run
    if self.backup or self.dbfilter_handle_status():
  File "/usr/lib/ubiquity/ubiquity/frontend/kde_ui.py", line 857, in dbfilter_handle_status
    QtWidgets.QMessageBox.Close)
TypeError: warning(QWidget, str, str, buttons: Union[QMessageBox.StandardButtons, QMessageBox.StandardButton] = QMessageBox.Ok, defaultButton: QMessageBox.StandardButton = QMessageBox.NoButton): too many arguments

ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: ubiquity 16.10.14
ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
Uname: Linux 4.8.0-22-generic x86_64
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
CasperVersion: 1.379
CurrentDesktop: KDE
Date: Mon Dec  5 13:36:58 2016
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/kubuntu.seed boot=casper maybe-ubiquity quiet splash ---
LiveMediaBuild: Kubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.1)
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug kubuntu ubiquity-16.10.14 yakkety

** Attachment added: "syslog"
   https://bugs.launchpad.net/bugs/1647363/+attachment/4787572/+files/syslog

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Title:
  Kubuntu installer crashes: TypeError StandardButton too many arguments

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