def xmlrpc_snowman(self, payload):
        """
        Used to test that we can pass Unicode.
        """
        snowman = u"\u2603"
        if snowman != payload:
            return xmlrpc.Fault(13, "Payload not unicode snowman")
        return snowman

        Used to test that we can pass Unicode.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/web/test/test_xmlrpc.py