Some functions which applies to scoped tags in general moved from TaskTag to Task model.
Also, some stylish and whitespace changes and docstrings added.
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)