Base __version__ on sys.version_info, as distutils is
no longer maintained separatedly.
diff --git a/Misc/NEWS b/Misc/NEWS
index dec5a2c..80d67e2 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -80,7 +80,8 @@
   side effects from one test to the next affect outcomes.  ``DocTestFinder``
   has been changed to sort the list of tests it returns.
 
-- The distutils version has been changed to 2.5.0.
+- The distutils version has been changed to 2.5.0, and are now kept
+  in sync with sys.version_info[:3].
 
 - Bug #978833: Really close underlying socket in _socketobject.close.