Expat parser no longer has a returns_unicode attribute since everything is
Unicode now.
diff --git a/Lib/xmlrpclib.py b/Lib/xmlrpclib.py
index 9a345ae..2b3f1db 100644
--- a/Lib/xmlrpclib.py
+++ b/Lib/xmlrpclib.py
@@ -485,8 +485,6 @@
             parser.EndElementHandler = target.end
             parser.CharacterDataHandler = target.data
             encoding = None
-            if not parser.returns_unicode:
-                encoding = "utf-8"
             target.xml(encoding, None)
 
         def feed(self, data):