resort imports

papertrail/admin.py

@@ -5,7 +5,7 @@
 from django.conf.urls import url
 from django.contrib import admin
 from django.core import serializers
-from django.core.urlresolvers import reverse, NoReverseMatch
+from django.core.urlresolvers import NoReverseMatch, reverse
 from django.db.models import Q
 from django.shortcuts import get_object_or_404, render
 from django.utils.encoding import force_text