def _layout_button(self):
    '\n        Do the layout for the button widgets\n        '
    id = wx.NewId()
    self.bt_help = wx.Button(self, id, 'HELP')
    self.bt_help.Bind(wx.EVT_BUTTON, self.on_help)
    self.bt_help.SetToolTipString('Help using the Kiessig fringe calculator.')
    self.bt_close = wx.Button(self, wx.ID_CANCEL, 'Close')
    self.bt_close.Bind(wx.EVT_BUTTON, self.on_close)
    self.bt_close.SetToolTipString('Close this window.')
    self.button_sizer.AddMany([(self.bt_help, 0, wx.LEFT, 260), (self.bt_close, 0, wx.LEFT, 20)])
Do the layout for the button widgets
def _layout_button(self):
    '\n        \n        '
    id = wx.NewId()
    self.bt_help = wx.Button(self, id, 'HELP')
    self.bt_help.Bind(wx.EVT_BUTTON, self.on_help)
    self.bt_help.SetToolTipString('Help using the Kiessig fringe calculator.')
    self.bt_close = wx.Button(self, wx.ID_CANCEL, 'Close')
    self.bt_close.Bind(wx.EVT_BUTTON, self.on_close)
    self.bt_close.SetToolTipString('Close this window.')
    self.button_sizer.AddMany([(self.bt_help, 0, wx.LEFT, 260), (self.bt_close, 0, wx.LEFT, 20)])