misc: use javascript catalog class view

combo/urls.py

@@ -19,7 +19,7 @@ from django.conf.urls import include, url
 from django.conf.urls.static import static
 from django.contrib import admin
 from django.contrib.staticfiles.urls import staticfiles_urlpatterns
-from django.views.i18n import javascript_catalog
+from django.views.i18n import JavaScriptCatalog
 
 from .urls_utils import decorated_includes, manager_required
 
@@ -35,7 +35,7 @@ urlpatterns = [
     url(r'^logout/$', logout, name='auth_logout'),
     url(r'^login/$', login, name='auth_login'),
     url(r'^404$', error404),
-    url(r'^jsi18n$', javascript_catalog, name='javascript-catalog'),
+    url(r'^jsi18n$', JavaScriptCatalog.as_view(), name='javascript-catalog'),
 ]
 
 handler404 = error404