diff -r 87a581d1391c -r e971d6eb4770 mercurial/context.py
--- a/mercurial/context.py	Fri Jul 27 14:48:58 2018 -0700
+++ b/mercurial/context.py	Mon Jul 30 14:37:36 2018 -0700
@@ -438,7 +438,6 @@
                         "unsupported changeid '%s' of type %s" %
                         (changeid, type(changeid)))
 
-            # lookup failed
         except (error.FilteredIndexError, error.FilteredLookupError):
             raise error.FilteredRepoLookupError(_("filtered revision '%s'")
                                                 % pycompat.bytestr(changeid))