Replace forgotten urlparse import by six.moves.urllib_parse for Python 3 compat

services/update.py

@@ -3,8 +3,8 @@ import sys
 
 from django.utils.encoding import force_bytes
 from email.Utils import formatdate
+from six.moves.urllib.parse import parse_qsl
 from time import time
-from urlparse import parse_qsl
 
 from services.utils import (
     get_cdn_url, log_configure, mypool, settings, PLATFORM_NAMES_TO_CONSTANTS)