class frmMain(wx.Frame):
    
    def __init__(self, parent, id, title):
        wx.Frame.__init__(self,
                          parent = parent,
                          id = id,
                          title = title)
        self.SetSize((800,600))
        sizer = self.sizer = wx.GridBagSizer(1,1)
        notebook = self.notebook = Notebook(self, -1)
        notebook.SetSize((800,600))
        sizer.Add(notebook, (0,0), flag = wx.ALL)
        self.SetSizerAndFit(sizer)