How to use the mocket.mocket.Mocket.disable function in mocket

def setUp(self):
        mocket.Mocket.disable()

def test_gethostbyname(self):
        host = socket.gethostbyname('localhost')
        Mocket.enable()
        self.assertEqual(socket.gethostbyname('localhost'), '127.0.0.1')
        Mocket.disable()
        self.assertEqual(socket.gethostbyname('localhost'), host)

def test_gethostname(self):
        hostname = socket.gethostname()
        Mocket.enable()
        self.assertEqual(socket.gethostname(), 'localhost')
        Mocket.disable()
        self.assertEqual(socket.gethostname(), hostname)

def __exit__(self, type, value, tb):
        if self.instance:
            self.check_and_call("mocketize_teardown")
        Mocket.disable()

def activate(self):
        Mocket.disable()
        Mocket.enable()

def disable(self):
        Mocket.disable()