Clearly state that the new wx module is being used

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@21051 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

wxPython/demo/Main.py

@@ -12,7 +12,8 @@
 #----------------------------------------------------------------------------
 
 import sys, os, time
-import wx
+
+import wx                  # This module uses the new wx namespace
 import wx.html
 
 import images