diff -r 35fb3367f72d -r fbf1a5d680ea mercurial/manifest.py
--- a/mercurial/manifest.py	Fri Dec 29 05:29:04 2017 +0530
+++ b/mercurial/manifest.py	Fri Dec 29 05:47:17 2017 +0530
@@ -810,7 +810,7 @@
             if p in self._files:
                 yield self._subpath(p)
             else:
-                for f in self._dirs[p].iterkeys():
+                for f in self._dirs[p]:
                     yield f
 
     def keys(self):