def test_roundtripNestedValue(self):
        """
        A C{dict} which contains C{self.value} can be round-tripped over an
        XMLRPC method call/response.
        """
        d = self.proxy.callRemote('defer', {'a': self.value})
        d.addCallback(self.assertEqual, {'a': self.value})
        return d

        A C{dict} which contains C{self.value} can be round-tripped over an
        XMLRPC method call/response.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/web/test/test_xmlrpc.py