Fix filtering for platforms, tenant groups

netbox/tenancy/forms.py

@@ -62,6 +62,15 @@ class TenantGroupBulkEditForm(BootstrapMixin, CustomFieldModelBulkEditForm):
         nullable_fields = ['parent', 'description']
 
 
+class TenantGroupFilterForm(BootstrapMixin, CustomFieldModelFilterForm):
+    model = TenantGroup
+    parent_id = DynamicModelMultipleChoiceField(
+        queryset=TenantGroup.objects.all(),
+        required=False,
+        label=_('Parent group')
+    )
+
+
 #
 # Tenants
 #

netbox/tenancy/views.py

@@ -20,6 +20,8 @@ class TenantGroupListView(generic.ObjectListView):
         'tenant_count',
         cumulative=True
     )
+    filterset = filtersets.TenantGroupFilterSet
+    filterset_form = forms.TenantGroupFilterForm
     table = tables.TenantGroupTable