Informe de ranking de productos más vendido

my_report.py

@@ -9,7 +9,7 @@ from openerp import tools
 
 class my_report_model(osv.osv):
 	_name = "my.report.model"
-	_description = "Listado de productos más vendidos"
+	_description = "Listado de productos mas vendidos"
 	_auto = False
 	_columns = {
 		'product_id': fields.many2one('product.product', string='Producto', required=True, readonly=True),
@@ -17,7 +17,7 @@ class my_report_model(osv.osv):
 		'suma': fields.float('Cantidad', readonly=True),
 		'lastdate': fields.date('Fecha Ult.Venta', readonly=True)
 	}
-	# _order = 'suma ASC'
+	_order = 'suma ASC'
 
 	def init(self, cr):
 		tools.sql.drop_view_if_exists(cr, 'my_report_model')
@@ -31,7 +31,7 @@ class my_report_model(osv.osv):
 					c.lastdate
                 FROM product_template a
                 LEFT JOIN(select product_id AS product_id,name AS nombre,SUM(product_uom_qty) AS pos , MAX(create_date) AS lastdate from sale_order_line group by product_id,name) c on c.product_id=a.id
-                WHERE c.pos>0 ORDER BY c.pos DESC
+                WHERE c.pos>0
             )
         """)
 my_report_model()