From 793b8dbe9fc40a76c1975fa728796305b7bc97c6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20Krier?= <ced@b2ck.com>
Date: Wed, 8 Feb 2012 13:14:16 +0100
Subject: [PATCH] Don't store session on module install to prevent concurrent
 update

issue2388
---
 trytond/ir/module/module.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/trytond/ir/module/module.py b/trytond/ir/module/module.py
index 0c110ce445..049e865fc2 100644
--- a/trytond/ir/module/module.py
+++ b/trytond/ir/module/module.py
@@ -565,6 +565,10 @@ class ModuleInstallUpgrade(Wizard):
             transaction.cursor.commit()
         if module_ids:
             pool.init(update=True, lang=lang)
+        if session:
+            # Don't store session to prevent concurrent update
+            for state_name in session.data:
+                getattr(session, state_name).dirty = False
         return 'done'
 
 ModuleInstallUpgrade()