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'