diff -r 5b71a8d7f7ff -r 0c741fd6158a mercurial/keepalive.py
--- a/mercurial/keepalive.py	Wed Jun 29 19:43:27 2016 -0700
+++ b/mercurial/keepalive.py	Tue Jun 28 16:01:53 2016 +0530
@@ -111,7 +111,6 @@
 
 import errno
 import hashlib
-import httplib
 import socket
 import sys
 import thread
@@ -120,6 +119,7 @@
     util,
 )
 
+httplib = util.httplib
 urlerr = util.urlerr
 urlreq = util.urlreq