--- a/ketchup	Sun Mar  5 11:06:59 2006 -0600
+++ b/ketchup	Sun Mar  5 11:10:11 2006 -0600
@@ -687,7 +687,10 @@ if options["list-trees"]:
     l = version_info.keys()
     l.sort()
     for tree in l:
-        lprint(tree, ["(unsigned)","(signed)"][version_info[tree][3]])
+	if version_info[tree][3] == 0:
+	   lprint(tree, "(unsigned)")
+        else:
+	   lprint(tree, "(signed)")
         lprint(" " + version_info[tree][4])
     sys.exit(0)