Treemenus django 1.9 - Python

def get_urls(self):
        urls = super(MenuAdmin, self).get_urls()
        my_urls = patterns('',
                           (r'^(?P<menu_pk>[-\w]+)/items/add/$',
                            self.admin_site.admin_view(self.add_menu_item)),
                           (r'^(?P<menu_pk>[-\w]+)/items/(?P<menu_item_pk>[-\w]+)/$',
                            self.admin_site.admin_view(self.edit_menu_item)),
                           (r'^(?P<menu_pk>[-\w]+)/items/(?P<menu_item_pk>[-\w]+)/delete/$',
                            self.admin_site.admin_view(self.delete_menu_item)),
                           (r'^(?P<menu_pk>[-\w]+)/items/(?P<menu_item_pk>[-\w]+)/history/$',
                            self.admin_site.admin_view(self.history_menu_item)),
                           (r'^(?P<menu_pk>[-\w]+)/items/(?P<menu_item_pk>[-\w]+)/move_up/$',
                            self.admin_site.admin_view(self.move_up_item)),
                           (r'^(?P<menu_pk>[-\w]+)/items/(?P<menu_item_pk>[-\w]+)/move_down/$',
                            self.admin_site.admin_view(self.move_down_item)),
                           )
 
        if django.VERSION >= (1, 4):
            # Dummy named URLs to satisfy reversing the reversing requirements
            # of the menuitem add/change views. It shouldn't ever be used; it
            # just needs to exist so that it get resolved internally by the
            # django admin.
            
            my_urls += patterns('',
                                url(r'^item_changelist/$',
                                    RedirectView.as_view(url='/'),
                                    name='treemenus_menuitem_changelist'),
                                url(r'^item_add/$',
                                    RedirectView.as_view(url='/'),
                                    name='treemenus_menuitem_add'),
                                url(r'^item_history/(?P<pk>[-\w]+)/$',
                                    self.menu_item_redirect,
                                    {'action' : 'history'},
                                    name='treemenus_menuitem_history'),
                                url(r'^item_delete/(?P<pk>[-\w]+)/$',
                                    self.menu_item_redirect,
                                    {'action': 'delete'},
                                    name='treemenus_menuitem_delete'),
                                )
        return my_urls + urls

def patterns(prefix, *args):
    warnings.warn(
        'django.conf.urls.patterns() is deprecated and will be removed in '
        'Django 1.10. Update your urlpatterns to be a list of '
        'django.conf.urls.url() instances instead.',
        RemovedInDjango110Warning, stacklevel=2
    )
    pattern_list = []
    for t in args:
        if isinstance(t, (list, tuple)):
            t = url(prefix=prefix, *t)
        elif isinstance(t, RegexURLPattern):
            t.add_prefix(prefix)
        pattern_list.append(t)
    return pattern_list

def url(regex, view, kwargs=None, name=None, prefix=''):
    if isinstance(view, (list, tuple)):
        # For include(...) processing.
        urlconf_module, app_name, namespace = view
        return RegexURLResolver(regex, urlconf_module, kwargs, app_name=app_name, namespace=namespace)
    else:
        if isinstance(view, six.string_types):
            warnings.warn(
                'Support for string view arguments to url() is deprecated and '
                'will be removed in Django 1.10 (got %s). Pass the callable '
                'instead.' % view,
                RemovedInDjango110Warning, stacklevel=2
            )
            if not view:
                raise ImproperlyConfigured('Empty URL pattern view name not permitted (for pattern %r)' % regex)
            if prefix:
                view = prefix + '.' + view
        return RegexURLPattern(regex, view, kwargs, name)