--- a/mercurial/phases.py	Tue May 22 18:10:00 2018 +0200
+++ b/mercurial/phases.py	Tue May 22 18:10:37 2018 +0200
@@ -127,6 +127,7 @@
 trackedphases = allphases[1:]
 phasenames = ['public', 'draft', 'secret']
 mutablephases = tuple(allphases[1:])
+remotehiddenphases = tuple(allphases[2:])
 
 def _readroots(repo, phasedefaults=None):
     """Read phase roots from disk