              "sort_priority": sort_priority,
              "url_primary": cl.get_query_string({ORDER_VAR: '.'.join(o_list_primary)}),
              "url_remove": cl.get_query_string({ORDER_VAR: '.'.join(o_list_remove)}),
              "url_toggle": cl.get_query_string({ORDER_VAR: '.'.join(o_list_toggle)}),
              "class_attrib": format_html(' class="{0}"', ' '.join(th_classes))
                              if th_classes else '',
          }
  
  def _boolean_icon(field_val):
      icon_url = static('admin/img/icon-%s.gif' %
                        {True: 'yes', False: 'no', None: 'unknown'}[field_val])
 
</s> remove                     format_html(' onclick="opener.dismissRelatedLookupPopup(window, &#39;{0}&#39;); return false;"', result_id)
                        if cl.is_popup else '',
 </s> add                     format_html(' onclick="opener.dismissRelatedLookupPopup(window, &#39;{0}&#39;); return false;"', result_id) if cl.is_popup else '', </s> remove         bool(f.rel) if hasattr(f, 'rel') else
        isinstance(f, models.related.RelatedObject)), RelatedFieldListFilter)
 </s> add     bool(f.rel) if hasattr(f, 'rel') else
    isinstance(f, models.related.RelatedObject)), RelatedFieldListFilter) </s> remove             return self.add_view(request, form_url=reverse('admin:%s_%s_add' %
                                    (opts.app_label, opts.model_name),
                                    current_app=self.admin_site.name))
 </s> add             return self.add_view(request, form_url=reverse('admin:%s_%s_add' % (
                opts.app_label, opts.model_name),
                current_app=self.admin_site.name)) </s> remove                     {'name': force_text(opts.verbose_name), 'key': escape(object_id)}
 </s> add                 {'name': force_text(opts.verbose_name), 'key': escape(object_id)} </s> remove                 request.path_info, supported=self._supported_languages
 </s> add             request.path_info, supported=self._supported_languages
            "class_attrib": format_html(' class="{0}"', ' '.join(th_classes)) if th_classes else '',
              "sort_priority": sort_priority,
              "url_primary": cl.get_query_string({ORDER_VAR: '.'.join(o_list_primary)}),
              "url_remove": cl.get_query_string({ORDER_VAR: '.'.join(o_list_remove)}),
              "url_toggle": cl.get_query_string({ORDER_VAR: '.'.join(o_list_toggle)}),
            "class_attrib": format_html(' class="{0}"', ' '.join(th_classes)) if th_classes else '',
            "class_attrib": format_html(' class="{0}"', ' '.join(th_classes)) if th_classes else '',
          }
  
  def _boolean_icon(field_val):
      icon_url = static('admin/img/icon-%s.gif' %
                        {True: 'yes', False: 'no', None: 'unknown'}[field_val])
keep keep keep keep replace replace keep keep keep keep keep
 Fixed #21288 -- Fixed E126 pep8 warnings 
django/contrib/admin/templatetags/admin_list.py