diff -r 3a3b59bbe7ce -r a39a9df7ecca mercurial/sshserver.py
--- a/mercurial/sshserver.py	Fri Jan 19 12:33:03 2018 -0800
+++ b/mercurial/sshserver.py	Fri Jan 12 10:59:58 2018 +0100
@@ -105,6 +105,7 @@
     handlers = {
         str: sendresponse,
         wireproto.streamres: sendstream,
+        wireproto.streamres_legacy: sendstream,
         wireproto.pushres: sendpushresponse,
         wireproto.pusherr: sendpusherror,
         wireproto.ooberror: sendooberror,