def doLayout(self):
    parentsizer = wx.BoxSizer(wx.VERTICAL)
    childsizer = wx.BoxSizer(wx.VERTICAL)

    btn1 = wx.Button (self, wx.NewId(), "Button 1")
    btn2 = wx.Button (self, wx.NewId(), "Button 2")

    childsizer.Add (btn1)
    childsizer.Add (btn2)

    parentsizer.Add (childsizer, flag = wx.ALIGN_RIGHT)

    self.SetSizer(parentsizer)
    self.Layout()