A dynamically updating GUI screen from URL

[bescf]

#!/usr/bin/python3
import sys, time, socket
from PyQt5 import QtWidgets, QtCore
HOST = '192.168.1.58' 
PORT = 80              
class WorkerThread(QtCore.QObject):
    signal = QtCore.pyqtSignal(int)
 
    def __init__(self):
        super().__init__()
 
    @QtCore.pyqtSlot()
    def run(self):
        while True:
            with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
                s.connect((HOST, PORT))
                s.sendall(b'Hello, world')
                data = s.recv(1024)   
            print('Received distance value', repr(data)) 
            self.signal.emit(int(data))   
 
class WorkerLabel(QtWidgets.QLabel):
    def __init__(self, parent):
        super().__init__()
 
    @QtCore.pyqtSlot(int)
    def slot(self, i):
        self.setText(str(i))
 
class UserInterface(QtWidgets.QWidget):
    def __init__(self, parent):
        super().__init__()
        self.label = WorkerLabel(self)
        self.layout = QtWidgets.QVBoxLayout()
        self.layout.addWidget(self.label)
        self.setLayout(self.layout)
 
class Main(QtWidgets.QMainWindow):
    def __init__(self):
        super().__init__()
        self.ui = UserInterface(self)
        self.setCentralWidget(self.ui)
 
        self.worker = WorkerThread()
        self.workerThread = QtCore.QThread()               # Move the Worker object to the Thread object
        self.workerThread.started.connect(self.worker.run)  # Init worker run() at startup
        self.worker.moveToThread(self.workerThread)
        self.worker.signal.connect(self.ui.label.slot)
        self.workerThread.start()
 
        self.show()
 
if __name__== '__main__':
    app = QtWidgets.QApplication([])
    gui = Main()
    sys.exit(app.exec_())

In this code, GUI client can take "data" from server. But, data is coming in every approximately 5 sec. Because in python code, connecting to server is taking too much time. I thought that I should spare SOCKET lines from while loop. But when i did this, it gave an error that "data is not defined"