code: def make_service_hooks_update_groups_action(service):
      
      def update_service_groups(modeladmin, request, queryset):
          for user in queryset:  # queryset filtering doesn't work here?
              service.update_groups(user)
  
      update_service_groups.__name__ = str('update_{}_groups'.format(slugify(service.name)))
      update_service_groups.short_description = "Sync groups for selected {} accounts".format(service.title)
      return update_service_groups
docs: Make a admin action for the given service
      :param service: services.hooks.ServicesHook
      :return: fn to update services groups for the selected users