From 87ec05e5ef270b458c5802e932c22ce4a7f40065 Mon Sep 17 00:00:00 2001
From: Alexis de Lattre <alexis@via.ecp.fr>
Date: Wed, 23 Mar 2016 21:57:58 +0100
Subject: [PATCH] Inherit copy()

---
 product_usability/product.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/product_usability/product.py b/product_usability/product.py
index da1c9af..f3fb40a 100644
--- a/product_usability/product.py
+++ b/product_usability/product.py
@@ -75,6 +75,20 @@ class ProductTemplate(orm.Model):
         return res
 
 
+class ProductProduct(orm.Model):
+    _inherit = 'product.product'
+
+    # unfortunately required in old-API...
+    def copy(self, cr, uid, id, default=None, context=None):
+        if default is None:
+            default = {}
+        default.update({
+            'price_history_ids': False,
+            })
+        return super(ProductProduct, self).copy(
+            cr, uid, id, default=default, context=context)
+
+
 class ProductPriceHistory(orm.Model):
     # This is a backport of the datamodel of v8
     # The code below is (C) Odoo SA