Traceback (most recent call last):
  File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 438, in display_lobby
    self.view_manager.set_active_view(ViewPages.AVAILABLE)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/session/viewmanager.py", line 113, in set_active_view
    view_widget.init_view()
  File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/availablepane.py", line 110, in init_view
    SoftwarePane.init_view(self)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/softwarepane.py", line 267, in init_view
    self)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/views/appdetailsview_gtk.py", line 717, in __init__
    self._layout_page()
  File "/usr/share/software-center/softwarecenter/ui/gtk3/views/appdetailsview_gtk.py", line 989, in _layout_page
    self.weblive.client.connect("progress", self.on_weblive_progress)
AttributeError: 'NoneType' object has no attribute 'connect'