Remove unused imports caught by pychecker
diff --git a/Lib/distutils/unixccompiler.py b/Lib/distutils/unixccompiler.py
index 55a51b3..56d3ee4 100644
--- a/Lib/distutils/unixccompiler.py
+++ b/Lib/distutils/unixccompiler.py
@@ -17,7 +17,7 @@
 
 __revision__ = "$Id$"
 
-import string, re, os, sys
+import os, sys
 from types import *
 from copy import copy
 from distutils import sysconfig