Create a SUB-style socket for data receivers

def subscriberSocket(self, host, port, filt=b'', conflate=False):
        '''
        Create a SUB-style socket for data receivers
        '''
        socket = self._context.socket(zmq.SUB)
        if conflate:
            socket.setsockopt(zmq.CONFLATE, 1)

        socket.connect(self.tcpAddress(host, port))
        socket.setsockopt(zmq.SUBSCRIBE, filt)
        return socket