toolbox.py crashed with AttributeError in retranslateUi(): 'DevMgr5' object has no attribute 'latest_available_version'

hp-toolbox not starting:

till@till-x1carbon:~$ hp-toolbox

HP Linux Imaging and Printing System (ver. 3.17.7)
HP Device Manager ver. 15.0

Copyright (c) 2001-15 HP Development Company, LP
This software comes with ABSOLUTELY NO WARRANTY.
This is free software, and you are welcome to distribute it
under certain conditions. See COPYING file for more details.

/Traceback (most recent call last):
  File "/usr/bin/hp-toolbox", line 280, in <module>
    toolbox = ui.DevMgr5(__version__, device_uri, None)
  File "/usr/share/hplip/ui5/devmgr5.py", line 245, in __init__
    self.setupUi(self,"",self.Is_autoInstaller_distro)
  File "/usr/share/hplip/ui5/devmgr_ext.py", line 7, in setupUi
    super(Ui_MainWindow_Derived, self).setupUi(MainWindow)
  File "/usr/share/hplip/ui5/devmgr5_base.py", line 358, in setupUi
    self.retranslateUi(MainWindow)
  File "/usr/share/hplip/ui5/devmgr_ext.py", line 37, in retranslateUi
    if self.latest_available_version is not "":
AttributeError: 'DevMgr5' object has no attribute 'latest_available_version'
till@till-x1carbon:~$

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: hplip-data 3.17.7+repack0-2
ProcVersionSignature: Ubuntu 4.11.0-13.19-generic 4.11.12
Uname: Linux 4.11.0-13-generic x86_64
ApportVersion: 2.20.6-0ubuntu5
Architecture: amd64
CurrentDesktop: GNOME
Date: Sat Aug 12 11:19:39 2017
Dependencies:
 gcc-7-base 7.1.0-13ubuntu1
 libc6 2.24-12ubuntu1
 libgcc1 1:7.1.0-13ubuntu1
 liblzma5 5.2.2-1.2
 xz-utils 5.2.2-1.2
ExecutablePath: /usr/share/hplip/toolbox.py
InstallationDate: Installed on 2015-04-30 (835 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
InterpreterPath: /usr/bin/python3.6
MachineType: LENOVO 20A8X50300
PackageArchitecture: all
Papersize: letter
ProcCmdline: /usr/bin/python3 /usr/bin/hp-toolbox
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.11.0-13-generic root=UUID=ff9fee12-fd92-4cfd-88bf-c8f57ffba318 ro quiet splash nomdmonddf nomdmonisw vt.handoff=7
PythonArgs: ['/usr/bin/hp-toolbox']
SourcePackage: hplip
Title: toolbox.py crashed with AttributeError in retranslateUi(): 'DevMgr5' object has no attribute 'latest_available_version'
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip libvirt libvirtd lpadmin plugdev sambashare sudo wireshark
dmi.bios.date: 09/02/2014
dmi.bios.vendor: LENOVO
dmi.bios.version: GRET40WW (1.17 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20A8X50300
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50512 STD
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrGRET40WW(1.17):bd09/02/2014:svnLENOVO:pn20A8X50300:pvrThinkPadX1Carbon2nd:rvnLENOVO:rn20A8X50300:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20A8X50300
dmi.product.version: ThinkPad X1 Carbon 2nd
dmi.sys.vendor: LENOVO