diff -r 1aa4d646d0de -r 77c9ee77687c mercurial/wireprotov2server.py
--- a/mercurial/wireprotov2server.py	Fri Apr 13 11:21:55 2018 -0700
+++ b/mercurial/wireprotov2server.py	Wed Apr 11 18:15:51 2018 -0700
@@ -27,7 +27,7 @@
 
 FRAMINGTYPE = b'application/mercurial-exp-framing-0003'
 
-HTTPV2 = wireprototypes.HTTPV2
+HTTP_WIREPROTO_V2 = wireprototypes.HTTP_WIREPROTO_V2
 
 def handlehttpv2request(rctx, req, res, checkperm, urlparts):
     from .hgweb import common as hgwebcommon
@@ -332,7 +332,7 @@
 
     @property
     def name(self):
-        return HTTPV2
+        return HTTP_WIREPROTO_V2
 
     def getargs(self, args):
         data = {}