--- a/hgext/largefiles/proto.py	Thu Apr 07 00:05:48 2016 +0000
+++ b/hgext/largefiles/proto.py	Wed Apr 06 23:22:12 2016 +0000
@@ -4,12 +4,14 @@
 # GNU General Public License version 2 or any later version.
 
 import os
-import urllib2
 import re
 
 from mercurial import error, httppeer, util, wireproto
 from mercurial.i18n import _
 
+urlerr = util.urlerr
+urlreq = util.urlreq
+
 import lfutil
 
 LARGEFILES_REQUIRED_MSG = ('\nThis repository uses the largefiles extension.'
@@ -140,7 +142,7 @@
             yield result, f
             try:
                 yield int(f.value)
-            except (ValueError, urllib2.HTTPError):
+            except (ValueError, urlerr.httperror):
                 # If the server returns anything but an integer followed by a
                 # newline, newline, it's not speaking our language; if we get
                 # an HTTP error, we can't be sure the largefile is present;