old_contents: from django import forms
  from django.utils.translation import pgettext_lazy
  from django_cradmin.viewhelpers import multiselect2
  from django_cradmin.viewhelpers import multiselect2view
  
  from devilry.devilry_account.models import User
  from devilry.devilry_cradmin import devilry_listbuilder
  from devilry.devilry_cradmin import devilry_listfilter
  
  
  class SelectedItem(devilry_listbuilder.user.UserTitleDescriptionMixin,
                     multiselect2.selected_item_renderer.SelectedItem):
      valuealias = 'user'
  
  
  class ItemValue(devilry_listbuilder.user.UserTitleDescriptionMixin,
                  multiselect2.listbuilder_itemvalues.ItemValue):
      valuealias = 'user'
      selected_item_renderer_class = SelectedItem
  
  
  class Target(multiselect2.target_renderer.Target):
      def get_with_items_title(self):
          return pgettext_lazy('admin multiselect2_users',
                               'Selected users')
  
      def get_without_items_text(self):
          return pgettext_lazy('admin multiselect2_users',
                               'No users selected')
  
  
  class SelectUsersForm(forms.Form):
      selected_items = forms.ModelMultipleChoiceField(
          widget=forms.MultipleHiddenInput,
          queryset=User.objects.none())
  
      def __init__(self, *args, **kwargs):
          users_queryset = kwargs.pop('users_queryset')
          super(SelectUsersForm, self).__init__(*args, **kwargs)
          self.fields['selected_items'].queryset = users_queryset
  
  
  class BaseMultiselectUsersView(multiselect2view.ListbuilderFilterView):
      value_renderer_class = ItemValue
      model = User
  
      def add_filterlist_items(self, filterlist):
          filterlist.append(devilry_listfilter.user.Search())
  
      def get_target_renderer_class(self):
          return Target
  
      def get_unfiltered_queryset_for_role(self, role):
          return User.objects.order_by('shortname').distinct()
  
      def get_form_class(self):
          return SelectUsersForm
  
      def get_form_kwargs(self):
          kwargs = super(BaseMultiselectUsersView, self).get_form_kwargs()
          kwargs['users_queryset'] = self.get_unfiltered_queryset_for_role(
                  role=self.request.cradmin_role)
          return kwargs
  
      def select_all_is_allowed(self):
          return False
  
new_contents: from django import forms
  from django.utils.translation import pgettext_lazy
  from django_cradmin.viewhelpers import multiselect2
  from django_cradmin.viewhelpers import multiselect2view
  
  from devilry.devilry_account.models import User
  from devilry.devilry_cradmin import devilry_listbuilder
  from devilry.devilry_cradmin import devilry_listfilter
  
  
  class SelectedItem(devilry_listbuilder.user.UserTitleDescriptionMixin,
                     multiselect2.selected_item_renderer.SelectedItem):
      valuealias = 'user'
  
  
  class ItemValue(devilry_listbuilder.user.UserTitleDescriptionMixin,
                  multiselect2.listbuilder_itemvalues.ItemValue):
      valuealias = 'user'
      selected_item_renderer_class = SelectedItem
  
  
  class Target(multiselect2.target_renderer.Target):
      def get_with_items_title(self):
          return pgettext_lazy('admin multiselect2_users',
                               'Selected users')
  
      def get_without_items_text(self):
          return pgettext_lazy('admin multiselect2_users',
                               'No users selected')
  
  
  class SelectUsersForm(forms.Form):
      selected_items = forms.ModelMultipleChoiceField(
          widget=forms.MultipleHiddenInput,
          queryset=User.objects.none())
  
      def __init__(self, *args, **kwargs):
          users_queryset = kwargs.pop('users_queryset')
          super(SelectUsersForm, self).__init__(*args, **kwargs)
          self.fields['selected_items'].queryset = users_queryset
  
  
  class BaseMultiselectUsersView(multiselect2view.ListbuilderFilterView):
      value_renderer_class = ItemValue
      model = User
      paginate_by = 70
  
      def add_filterlist_items(self, filterlist):
          filterlist.append(devilry_listfilter.user.Search())
  
      def get_target_renderer_class(self):
          return Target
  
      def get_unfiltered_queryset_for_role(self, role):
          return User.objects.order_by('shortname').distinct()
  
      def get_form_class(self):
          return SelectUsersForm
  
      def get_form_kwargs(self):
          kwargs = super(BaseMultiselectUsersView, self).get_form_kwargs()
          kwargs['users_queryset'] = self.get_unfiltered_queryset_for_role(
                  role=self.request.cradmin_role)
          return kwargs
  
      def select_all_is_allowed(self):
          return False
  
subject: Set paginate_by to 70.