delivery, purchase, sale, stock_location: minor fixes, mutable args

[odoo/odoo.git] / addons / sale_margin / sale_margin.py

diff --git a/addons/sale_margin/sale_margin.py b/addons/sale_margin/sale_margin.py
index 2f756d5..3a0e09a 100644 (file)
--- a/addons/sale_margin/sale_margin.py
+++ b/addons/sale_margin/sale_margin.py
@@ -94,13 +94,13 @@ class account_invoice_line(osv.osv):
     _columns = {
         'cost_price': fields.float('Cost Price', digits=(16, 2)),
     }
-    def write(self, cr, uid, ids, vals, context={}):
+    def write(self, cr, uid, ids, vals, context=None):
         if vals.get('product_id', False):
             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
             vals['cost_price'] = res[0]['standard_price']
         return super(account_invoice_line, self).write(cr, uid, ids, vals, context)
 
-    def create(self, cr, uid, vals, context={}):
+    def create(self, cr, uid, vals, context=None):
         if vals.get('product_id',False):
             res = self.pool.get('product.product').read(cr, uid, [vals['product_id']], ['standard_price'])
             vals['cost_price'] = res[0]['standard_price']