def get_context_data(self, **kwargs):
        context = super(SettingsTextView, self).get_context_data(**kwargs)
        try:
            context['nodes'] = serializers.serialize('python', NodeSettings.objects.all())
            context['settings'] = serializers.serialize('python', OpenstackSettings.objects.all())
        except __HOLE__:
            pass
        return context
dataset/ETHPy150Open Havate/havate-openstack/proto-build/gui/horizon/Horizon_GUI/config/views.py/SettingsTextView.get_context_data