[FIX] orm: avoid crash when an osv inherits from an osv_mem that has no _sql_constraints

bzr revid: odo@openerp.com-20110718173151-hsq5pyzq8l5w1j7n
2011-07-18 19:31:51 +02:00
parent aa749dd921
commit 9f3fd2a1fc
1 changed files with 1 additions and 1 deletions
@@ -781,7 +781,7 @@ class orm_template(object):
                        'You may need to add a dependency on the parent class\' module.' % (name, parent_name))
                nattr = {}
                for s in attributes:
-                    new = copy.copy(getattr(pool.get(parent_name), s))
+                    new = copy.copy(getattr(pool.get(parent_name), s, {}))
                    if s == '_columns':
                        # Don't _inherit custom fields.
                        for c in new.keys():