From ac150682e04615ec9901a5bb37634f6638e07c89 Mon Sep 17 00:00:00 2001
From: Roman Widmann <roman.widmann@datenpol.at>
Date: Wed, 7 Feb 2018 15:26:01 +0100
Subject: [PATCH] =?UTF-8?q?Feedback=201373:=20L=C3=B6schen=20von=20Angebot?=
 =?UTF-8?q?en,=20Feedback=20zu=20Ticket=20[4565]?=
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---
 ext/custom-addons/dp_custom/models/sale.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/ext/custom-addons/dp_custom/models/sale.py b/ext/custom-addons/dp_custom/models/sale.py
index c7c0fa20..e486d2ca 100644
--- a/ext/custom-addons/dp_custom/models/sale.py
+++ b/ext/custom-addons/dp_custom/models/sale.py
@@ -252,6 +252,13 @@ class SaleOrder(models.Model):
 
         return res
 
+    @api.multi
+    def unlink(self):
+        for record in self:
+            for line in record.order_line:
+                line.lot_id.unlink()
+        return super(SaleOrder, self).unlink()
+
     @api.multi
     def action_invoice_create(self, grouped=False, final=False):
         inv_obj = self.env['account.invoice']