update core

core/templatetags/core_tags.py

@@ -51,7 +51,6 @@ def breadcrumb_url(parser, token):
 
     return UrlBreadcrumbNode(title, url_node)
 
-@register.tag
 def breadcrumb_mptt_url(parser, token):
     return recursetree(parser, token)
 

core/views.py

@@ -3,6 +3,7 @@ from django.contrib.auth.mixins import LoginRequiredMixin
 # Create your views here.
 from django.views import View
 from django.views.generic import TemplateView, ListView, DetailView, FormView
+from django.views.generic.edit import BaseFormView
 
 
 class ProtectedView(LoginRequiredMixin, View):
@@ -24,6 +25,8 @@ class ProtectedDetailView(LoginRequiredMixin, DetailView):
 class ProtectedFormView(LoginRequiredMixin, FormView):
     pass
 
+class ProtectedBaseFormView(LoginRequiredMixin, BaseFormView):
+    pass
 
 class Handler404View(TemplateView):
     template_name = '404.html'