mercurial/smartset.py

--- a/mercurial/smartset.py	Thu Jul 05 09:53:00 2018 +0530
+++ b/mercurial/smartset.py	Sun Jun 10 17:07:29 2018 +0900
@@ -29,7 +29,7 @@
     if r is None:
         return ''
     elif isinstance(r, tuple):
-        return r[0] % util.rapply(pycompat.maybebytestr, r[1:])
+        return r[0] % pycompat.rapply(pycompat.maybebytestr, r[1:])
     elif isinstance(r, bytes):
         return r
     elif callable(r):