The usual
diff --git a/Lib/dos-8x3/test_arr.py b/Lib/dos-8x3/test_arr.py
index 832f192..e95fac4 100644
--- a/Lib/dos-8x3/test_arr.py
+++ b/Lib/dos-8x3/test_arr.py
@@ -52,7 +52,7 @@
 	    print 'array of %s converted to a list: ' % a.typecode, a.tolist()
 	if verbose:
 	    print 'array of %s converted to a string: ' \
-	           % a.typecode, a.tostring()
+	           % a.typecode, `a.tostring()`
 
 
 main()