--- a/mercurial/wireprotoframing.py	Sun Oct 06 19:25:18 2019 -0400
+++ b/mercurial/wireprotoframing.py	Mon Oct 07 00:04:04 2019 -0400
@@ -123,7 +123,7 @@
 
 def humanflags(mapping, value):
     """Convert a numeric flags value to a human value, using a mapping table."""
-    namemap = {v: k for k, v in mapping.iteritems()}
+    namemap = {v: k for k, v in pycompat.iteritems(mapping)}
     flags = []
     val = 1
     while value >= val:
@@ -160,7 +160,7 @@
     @encoding.strmethod
     def __repr__(self):
         typename = b'<unknown 0x%02x>' % self.typeid
-        for name, value in FRAME_TYPES.iteritems():
+        for name, value in pycompat.iteritems(FRAME_TYPES):
             if value == self.typeid:
                 typename = name
                 break