Index: trunk/packages/invirt-database/python/database/models.py
===================================================================
--- trunk/packages/invirt-database/python/database/models.py	(revision 3029)
+++ trunk/packages/invirt-database/python/database/models.py	(revision 3030)
@@ -110,5 +110,5 @@
        Column('version', String, nullable=True, default=None),
        Column('principal', String, nullable=False),
-       Column('succeeded', Boolean, nullable=False),
+       Column('succeeded', Boolean, nullable=True),
        Column('failed_stage', String, nullable=True, default=None),
        Column('traceback', String, nullable=True, default=None),