diff -r daf12f69699f -r a652b7763f66 mercurial/peer.py --- a/mercurial/peer.py Sat Oct 14 12:02:15 2017 -0400 +++ b/mercurial/peer.py Sat Oct 14 12:03:42 2017 -0400 @@ -34,7 +34,9 @@ def __getattr__(self, name): def call(*args, **opts): resref = future() - self.calls.append((name, args, opts, resref,)) + # Please don't invent non-ascii method names, or you will + # give core hg a very sad time. + self.calls.append((name.encode('ascii'), args, opts, resref,)) return resref return call def submit(self):