Index: addons/openacademy/__init__.py
===================================================================
--- addons.orig/openacademy/__init__.py	2014-08-27 14:19:23.023111330 +0200
+++ addons/openacademy/__init__.py	2014-08-27 14:22:25.043108628 +0200
@@ -2,3 +2,4 @@
 from . import controllers
 from . import models
 from . import partner
+from . import wizard
Index: addons/openacademy/wizard.py
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ addons/openacademy/wizard.py	2014-08-27 14:24:39.195106637 +0200
@@ -0,0 +1,10 @@
+# -*- coding: utf-8 -*-
+
+from odoo import models, fields, api
+
+class Wizard(models.TransientModel):
+    _name = 'openacademy.wizard'
+
+    session_id = fields.Many2one('openacademy.session',
+        string="Session", required=True)
+    attendee_ids = fields.Many2many('res.partner', string="Attendees")