def lookups(self, request, model_admin):
        """
        Returns a list of tuples. The first element in each
        tuple is the coded value for the option that will
        appear in the URL query. The second element is the
        human-readable name for the option that will appear
        in the right sidebar.
        """
        qs = model_admin.get_queryset(request)
        qs.filter(id__range=(1, 99))
        for item in qs:
            dp = DeviceProtocol.objects.filter(pk=item.id).first()
            if dp:
                yield (dp.pk, dp.app_name)