-        panel = wx.Panel(self, -1)
-        panel.SetBackgroundColour("#FFB6C1")
-        st = wx.StaticText(panel, -1,
-                          "wxPopupTransientWindow is a\n"
-                          "wxPopupWindow which disappears\n"
+        self.SetBackgroundColour("#FFB6C1")
+        st = wx.StaticText(self, -1,
+                          "wx.PopupTransientWindow is a\n"
+                          "wx.PopupWindow which disappears\n"