From 138550fd2eb86f856b5c28ad2a06442a1db602de Mon Sep 17 00:00:00 2001
From: Wolfgang Taferner <wtaferner@users.noreply.github.com>
Date: Sun, 23 Dec 2018 07:45:33 +0000
Subject: [PATCH] [FIX] stock_picking_batch: do not lock batch model on
 transient model

closes odoo/odoo#29722
---
 addons/stock_picking_batch/wizard/stock_picking_to_batch.py     | 2 +-
 .../stock_picking_batch/wizard/stock_picking_to_batch_views.xml | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/addons/stock_picking_batch/wizard/stock_picking_to_batch.py b/addons/stock_picking_batch/wizard/stock_picking_to_batch.py
index c25b97bcad9..b64beb0e65a 100644
--- a/addons/stock_picking_batch/wizard/stock_picking_to_batch.py
+++ b/addons/stock_picking_batch/wizard/stock_picking_to_batch.py
@@ -8,7 +8,7 @@ class StockPickingToBatch(models.TransientModel):
     _name = 'stock.picking.to.batch'
     _description = 'Add pickings to a batch picking'
 
-    batch_id = fields.Many2one('stock.picking.batch', string='Batch Picking', required=True, oldname="wave_id")
+    batch_id = fields.Many2one('stock.picking.batch', string='Batch Picking', oldname="wave_id")
 
     @api.multi
     def attach_pickings(self):
diff --git a/addons/stock_picking_batch/wizard/stock_picking_to_batch_views.xml b/addons/stock_picking_batch/wizard/stock_picking_to_batch_views.xml
index dc45cf58269..a1db359283c 100644
--- a/addons/stock_picking_batch/wizard/stock_picking_to_batch_views.xml
+++ b/addons/stock_picking_batch/wizard/stock_picking_to_batch_views.xml
@@ -8,7 +8,7 @@
         <field name="arch" type="xml">
             <form string="Add pickings to batch">
                 <separator string="Select a batch"/>
-                <field name="batch_id" class="oe_inline" options="{'no_create_edit': True, 'no_open': True}"/>
+                <field name="batch_id" class="oe_inline" required="1" options="{'no_create_edit': True, 'no_open': True}"/>
                 <footer>
                     <button name="attach_pickings" type="object" string="Add to Batch" class="btn-primary"/>
                     <button string="Cancel" class="btn-default" special="cancel"/>