# o Updated for 2.5 compatability.
 #
 
+"""
+Provides a `ColourSelect` button that, when clicked, will display a
+colour selection dialog.  The selected colour is displayed on the
+button itself.
+"""
+
 #----------------------------------------------------------------------------
 
 import  wx
 #----------------------------------------------------------------------------
 
 class ColourSelect(wx.BitmapButton):
-    def __init__(self, parent, id, label="", colour=wx.BLACK,
+    def __init__(self, parent, id=wx.ID_ANY, label="", colour=wx.BLACK,
                  pos=wx.DefaultPosition, size=wx.DefaultSize,
                  callback=None, style=0):
         if label: