Fixed imports from '*util' modules to not just import everything from util.
diff --git a/Lib/distutils/command/clean.py b/Lib/distutils/command/clean.py
index 31147b5..1d8c7b2 100644
--- a/Lib/distutils/command/clean.py
+++ b/Lib/distutils/command/clean.py
@@ -8,7 +8,7 @@
 
 import os
 from distutils.core import Command
-from distutils.util import remove_tree
+from distutils.dir_util import remove_tree
 
 class clean (Command):