How to use the pyroma.tests.ProxyStub function in pyroma

def test_distribute(self):
        real_urlopen = urllib.urlopen
        real_server_proxy = xmlrpclib.ServerProxy
        try:
            xmlrpclib.ServerProxy = ProxyStub(
                "distributedata.py", xmlrpclib.ServerProxy, False
            )
            urllib.urlopen = urlopenstub
            data = pypidata.get_data("distribute")
            rating = rate(data)

            self.assertEqual(
                rating,
                (
                    9,
                    [
                        "The classifiers should specify what minor versions of Python "
                        "you support as well as what major version.",
                        "You should have three or more owners of the project on PyPI.",
                    ],
                ),

def test_complete(self):
        real_urlopen = urllib.urlopen
        real_server_proxy = xmlrpclib.ServerProxy
        try:
            xmlrpclib.ServerProxy = ProxyStub(
                "completedata.py", xmlrpclib.ServerProxy, False
            )
            urllib.urlopen = urlopenstub
            data = pypidata.get_data("complete")
            rating = rate(data)

            self.assertEqual(rating, (10, []))
        finally:
            xmlrpclib.ServerProxy = real_server_proxy
            urllib.urlopen = real_urlopen