[py3] Added Python 3 compatibility for xrange.

tests/modeltests/delete/tests.py

@@ -2,6 +2,7 @@ from __future__ import absolute_import
 
 from django.db import models, IntegrityError
 from django.test import TestCase, skipUnlessDBFeature, skipIfDBFeature
+from django.utils.six.moves import xrange
 
 from .models import (R, RChild, S, T, U, A, M, MR, MRNull,
     create_a, get_default_r, User, Avatar, HiddenUser, HiddenUserProfile)