--- a/mercurial/pure/parsers.py	Sun Oct 06 19:25:18 2019 -0400
+++ b/mercurial/pure/parsers.py	Mon Oct 07 00:04:04 2019 -0400
@@ -166,7 +166,7 @@
     cs = stringio()
     write = cs.write
     write(b"".join(pl))
-    for f, e in dmap.iteritems():
+    for f, e in pycompat.iteritems(dmap):
         if e[0] == b'n' and e[3] == now:
             # The file was last modified "simultaneously" with the current
             # write to dirstate (i.e. within the same second for file-