Cleaned up admin sites.py imports.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@16134 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/sites.py

@@ -1,6 +1,5 @@
-import re
 from functools import update_wrapper
-from django import http, template
+from django import http
 from django.contrib.admin import ModelAdmin, actions
 from django.contrib.admin.forms import AdminAuthenticationForm
 from django.contrib.auth import REDIRECT_FIELD_NAME
@@ -10,7 +9,6 @@ from django.db.models.base import ModelBase
 from django.core.exceptions import ImproperlyConfigured
 from django.core.urlresolvers import reverse
 from django.template.response import TemplateResponse
-from django.utils.functional import update_wrapper
 from django.utils.safestring import mark_safe
 from django.utils.text import capfirst
 from django.utils.translation import ugettext as _