From Sjoerd Mullender <sjoerd@oratrix.nl>:

cmp is not used in freeze, but is imported anyway.  What's worse, cmp
is no longer in the library, so freeze won't work like this.
diff --git a/Tools/freeze/freeze.py b/Tools/freeze/freeze.py
index d6ef87e..9627a27 100755
--- a/Tools/freeze/freeze.py
+++ b/Tools/freeze/freeze.py
@@ -78,7 +78,6 @@
 
 # Import standard modules
 
-import cmp
 import getopt
 import os
 import string