From 3c86c861ab9665df0e502f250a7471d09240e413 Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Mon, 17 Jun 2013 10:55:09 -0500
Subject: Fix Python3 compatibility issue in filterfalse

--HG--
branch : distribute
extra : rebase_source : 71e3e89efe6483924a07e7f9819ee86f08dbf1f2
extra : histedit_source : fa75c7bc174b248c74da7b4efd5f6f05c36b6ae4
---
 setuptools/package_index.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'setuptools/package_index.py')

diff --git a/setuptools/package_index.py b/setuptools/package_index.py
index 85a1deeb..1e2a086d 100755
--- a/setuptools/package_index.py
+++ b/setuptools/package_index.py
@@ -1,6 +1,5 @@
 """PyPI and direct package downloading"""
 import sys, os.path, re, shutil, random, socket
-import itertools
 import base64
 from pkg_resources import *
 from distutils import log
@@ -9,6 +8,7 @@ from setuptools.compat import (urllib2, httplib, StringIO, HTTPError,
                                urlparse, urlunparse, unquote, splituser,
                                url2pathname, name2codepoint,
                                unichr, urljoin)
+from setuptools.compat import filterfalse
 try:
     from hashlib import md5
 except ImportError:
@@ -148,7 +148,7 @@ def unique_everseen(iterable, key=None):
     seen = set()
     seen_add = seen.add
     if key is None:
-        for element in itertools.ifilterfalse(seen.__contains__, iterable):
+        for element in filterfalse(seen.__contains__, iterable):
             seen_add(element)
             yield element
     else:
-- 
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