--- a/mercurial/httppeer.py	Wed Sep 26 18:07:55 2018 -0700
+++ b/mercurial/httppeer.py	Wed Sep 26 18:08:08 2018 -0700
@@ -513,7 +513,9 @@
     reactor = wireprotoframing.clientreactor(hasmultiplesend=False,
                                              buffersends=True)
 
-    handler = wireprotov2peer.clienthandler(ui, reactor)
+    handler = wireprotov2peer.clienthandler(ui, reactor,
+                                            opener=opener,
+                                            requestbuilder=requestbuilder)
 
     url = '%s/%s' % (apiurl, permission)