diff -r 74802979dd9d -r 649d3ac37a12 hgext/lfs/wrapper.py
--- a/hgext/lfs/wrapper.py	Sun Oct 06 17:59:15 2019 -0400
+++ b/hgext/lfs/wrapper.py	Sun Oct 06 19:25:18 2019 -0400
@@ -25,6 +25,7 @@
     exchange,
     exthelper,
     localrepo,
+    pycompat,
     revlog,
     scmutil,
     upgrade,
@@ -138,7 +139,7 @@
 
     # translate hg filelog metadata to lfs metadata with "x-hg-" prefix
     if hgmeta is not None:
-        for k, v in hgmeta.iteritems():
+        for k, v in pycompat.iteritems(hgmeta):
             metadata[b'x-hg-%s' % k] = v
 
     rawtext = metadata.serialize()