Index: trunk/packages/sipb-xen-base/files/usr/share/python-support/sipb-xen-base/invirt/common.py
===================================================================
--- trunk/packages/sipb-xen-base/files/usr/share/python-support/sipb-xen-base/invirt/common.py	(revision 794)
+++ trunk/packages/sipb-xen-base/files/usr/share/python-support/sipb-xen-base/invirt/common.py	(revision 795)
@@ -1,4 +1,4 @@
 import unittest
-from fcntl import flock, LOCK_EX, LOCK_UN
+from fcntl import flock, LOCK_EX, LOCK_SH, LOCK_UN
 
 class struct(object):