wxpython dummy code

import wx

Beige = (255,255,160) #RGB

class MainWindow(wx.Frame):
    """Doc string."""
    def __init__(self, parent, ID, title):
        wx.Frame.__init__(self, parent, ID, title, size=(600,400))

        UpperPanel = wx.Panel(self,-1, style=wx.RAISED_BORDER)
        LowerPanel = wx.Panel(self,-1, style=wx.SUNKEN_BORDER)

        UpperPanel.SetBackgroundColour(Beige)
        LowerPanel.SetBackgroundColour("GREEN")

        Textbox = wx.BoxSizer(wx.HORIZONTAL)
        Textbox.Add(LowerPanel)

        Scrollbox = wx.ScrolledWindow(LowerPanel)
        basicText = wx.StaticText(Scrollbox, -1, "Hello World",
                                  style=wx.ST_NO_AUTORESIZE)
        #self.SetSizer(Textbox) #Hides upper, crashes on exit

        Box = wx.BoxSizer(wx.VERTICAL)
        Box.Add(UpperPanel, 4, wx.EXPAND)
        Box.Add(Textbox, 1)
        self.SetSizer(Box)
        #Either commenting IN SetSizer(Textbox)
        #or commenting OUT SetSizer(Box)
        #will both make the beige part disappear!

app = wx.App(False)
frame = MainWindow(None, wx.ID_ANY, "Lobster Artifacts")
frame.Show() #could go in MainWindow.init
app.MainLoop()