--- a/hgext/lfs/pointer.py	Tue Mar 01 20:46:06 2022 -0800
+++ b/hgext/lfs/pointer.py	Mon Feb 21 11:06:46 2022 -0700
@@ -40,7 +40,7 @@
 
     def serialize(self):
         sortkeyfunc = lambda x: (x[0] != b'version', x)
-        items = sorted(pycompat.iteritems(self.validate()), key=sortkeyfunc)
+        items = sorted(self.validate().items(), key=sortkeyfunc)
         return b''.join(b'%s %s\n' % (k, v) for k, v in items)
 
     def oid(self):