From 63adff43687b2c803e5856dc326fdc5d8a3aec3f Mon Sep 17 00:00:00 2001
From: Bertrand Chenal <bch@b2ck.com>
Date: Mon, 6 Oct 2008 15:45:44 +0200
Subject: [PATCH] Add request on purchase field of line purchase model

---
 purchase.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/purchase.py b/purchase.py
index 8d14bc0009..af0a33dc1a 100644
--- a/purchase.py
+++ b/purchase.py
@@ -716,7 +716,7 @@ class PurchaseLine(OSV):
     _description = __doc__
 
     purchase = fields.Many2One('purchase.purchase', 'Purchase', ondelete='CASCADE',
-            select=1)
+            select=1, required=True)
     sequence = fields.Integer('Sequence')
     type = fields.Selection([
         ('line', 'Line'),