Closes #13258: Use callable() built-in in the standard library.
diff --git a/Lib/xmlrpc/server.py b/Lib/xmlrpc/server.py
index 9477309..ac252f1 100644
--- a/Lib/xmlrpc/server.py
+++ b/Lib/xmlrpc/server.py
@@ -149,7 +149,7 @@
 
     return [member for member in dir(obj)
                 if not member.startswith('_') and
-                    hasattr(getattr(obj, member), '__call__')]
+                    callable(getattr(obj, member))]
 
 class SimpleXMLRPCDispatcher:
     """Mix-in class that dispatches XML-RPC requests.