From 4ec71c74d1dcec96d764fb42aab856cb32fb5321 Mon Sep 17 00:00:00 2001
From: Christophe Simonis <chs@openerp.com>
Date: Thu, 12 Sep 2013 20:28:27 +0200
Subject: [PATCH] [FIX] do not run migration scripts on empty databases

bzr revid: chs@openerp.com-20130912182827-iknosbmr7kni7ulo
---
 openerp/modules/migration.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openerp/modules/migration.py b/openerp/modules/migration.py
index 09595336eaa..f199771ba61 100644
--- a/openerp/modules/migration.py
+++ b/openerp/modules/migration.py
@@ -89,7 +89,7 @@ class MigrationManager(object):
             'post': '[%s>]',
         }
 
-        if not (hasattr(pkg, 'update') or pkg.state == 'to upgrade'):
+        if not (hasattr(pkg, 'update') or pkg.state == 'to upgrade') or pkg.installed_version is None:
             return
 
         def convert_version(version):