bitbake: toaster: models Add missing import sys

(Bitbake rev: b2fba7a0820d77e1076c05b8ffcd960d4fc883a5)

Signed-off-by: Michael Wood <michael.g.wood@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/toaster/orm/models.py

@@ -32,6 +32,7 @@ from django.core import validators
 from django.conf import settings
 import django.db.models.signals
 
+import sys
 import os.path
 import re
 import itertools