# HG changeset patch
# User Brian Neal <bgneal@gmail.com>
# Date 1355882608 21600
# Node ID a00e97bcdb4a80dc8b9a4ee75e88317d191b0889
# Parent  b163f18eaf925ec876eafbe5d9f1d6f9c7c41c45
Oops, make it importable.

diff -r b163f18eaf92 -r a00e97bcdb4a redblacktree.py
--- a/redblacktree.py	Tue Dec 18 19:54:04 2012 -0600
+++ b/redblacktree.py	Tue Dec 18 20:03:28 2012 -0600
@@ -24,7 +24,7 @@
 
 """
 
-BLACK, RED = range(1)
+BLACK, RED = range(2)
 
 class Node(object):
     """A node class for red-black trees.
@@ -32,7 +32,8 @@
     A node has an optional parent, and optional left and right children. Each
     node also has a color, either red or black. A node has a key and an optional
     value. The key is used to order the red black tree by calling the "<"
-    operator when comparing keys.
+    operator when comparing keys. The optional value is useful for using the
+    red-black tree to implement a map datastructure.
 
     In a red-black tree, nil children are always considered black.