Replace get_user_variables (=deprecated) with get_all_user_python_expression.

Add call on template render function.

--HG--
branch : odoo8

py3o_report_modif.py

@@ -83,10 +83,11 @@ class py3o_report(report_sxw):
         #TODO: Find a way to avoid calling Template
         t = Template(in_temp.name, out_temp.name)
         # Remove 'py3o.'
-        user_variable = [x[5:] for x in t.get_user_variables()]
+        user_variable = [x[5:] for x in t.get_all_user_python_expression()]
         print user_variable
 
         values = self.get_values(cr, uid, ids, data, context)
+        t.render(values)
         print values
 
         #WARNING: We rely on the fact that there is a for loop on the report