From c418d73445da7ab2acb591e637921643c2ed35b2 Mon Sep 17 00:00:00 2001
From: Xavier Morel <xmo@odoo.com>
Date: Wed, 11 Oct 2017 11:57:02 +0200
Subject: [PATCH] [FIX] product: image update in variants

Fixes #19945
---
 addons/product/models/product.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/addons/product/models/product.py b/addons/product/models/product.py
index 974c1eeeb5b..b854925701e 100644
--- a/addons/product/models/product.py
+++ b/addons/product/models/product.py
@@ -261,6 +261,8 @@ class ProductProduct(models.Model):
 
     @api.one
     def _set_image_value(self, value):
+        if isinstance(value, pycompat.text_type):
+            value = value.encode('ascii')
         image = tools.image_resize_image_big(value)
         if self.product_tmpl_id.image:
             self.image_variant = image