From fed0ea53923c523971847ce9558903109fe1b447 Mon Sep 17 00:00:00 2001
From: Richard Mathot <rim@openerp.com>
Date: Fri, 8 Aug 2014 10:53:39 +0200
Subject: [PATCH] [FIX] read_group cannot aggregate non-stored field

---
 openerp/models.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/openerp/models.py b/openerp/models.py
index abe36b38b05..afcdef9570b 100644
--- a/openerp/models.py
+++ b/openerp/models.py
@@ -2105,6 +2105,7 @@ class BaseModel(object):
             f for f in fields
             if f not in ('id', 'sequence')
             if f not in groupby_fields
+            if f in self._all_columns
             if self._all_columns[f].column._type in ('integer', 'float')
             if getattr(self._all_columns[f].column, '_classic_write')]