--- a/setup.py	Sat Jan 09 20:44:56 2016 +0300
+++ b/setup.py	Mon Jan 11 01:20:29 2016 +0300
@@ -37,11 +37,6 @@
 import sys, os
 from glob import glob
 
-# patch distutils if it can't cope with the "classifiers" keyword
-from distutils.dist import DistributionMetadata
-if not hasattr(DistributionMetadata, 'classifiers'):
-    DistributionMetadata.classifiers = None
-    DistributionMetadata.download_url = None
 
 def include(d, e):
     """Generate a pair of (directory, file-list) for installation.