Fixed Task public view to always call the update method.
Also removed an obsolete value ws_entity that could not be unpacked (therefore causing 505's).
from django.contrib import admin
from django.contrib.sites.models import Site
class SiteAdmin(admin.ModelAdmin):
list_display = ('domain', 'name')
search_fields = ('domain', 'name')
admin.site.register(Site, SiteAdmin)