[1.0.X]: Fixed #10667 -- Added missing sys import.

Backport of r10244 from trunk.


git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.0.X@10245 bcc190cf-cafb-0310-a4f2-bffc1f526a37

tests/regressiontests/templates/tests.py

@@ -6,10 +6,11 @@ if __name__ == '__main__':
     # before importing 'template'.
     settings.configure()
 
+from datetime import datetime, timedelta
 import os
+import sys
 import traceback
 import unittest
-from datetime import datetime, timedelta
 
 from django import template
 from django.core import urlresolvers