Added missing import.
diff --git a/Lib/distutils/dist.py b/Lib/distutils/dist.py
index 24c8d2b..0f13198 100644
--- a/Lib/distutils/dist.py
+++ b/Lib/distutils/dist.py
@@ -12,6 +12,7 @@
 from types import *
 from copy import copy
 from distutils.errors import *
+from distutils import sysconfig
 from distutils.fancy_getopt import FancyGetopt, longopt_xlate
 from distutils.util import check_environ