multithreaded echo server

multiserver.py

from threading import Thread
import socket

class clientThread(Thread):
    def __init__(self,sock):
        Thread.__init__(self)
        self.socket = sock
        self.running = 1
    def run(self):
        while self.running == 1:
            try:
                msg = self.socket.recv(1024).decode() 
                    print(msg)
                    self.socket.send(msg.encode())
                    
            except socket.error:
                print("Dissconnected!")
                self.running = 0
                self.socket.close()

def main():
    s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    s.bind((socket.gethostname(),1337))
    s.listen(3)
    print("Listening for 3 clients")
    while 1:
        cli,addrinfo=s.accept()
        t = clientThread(cli)
        t.start()

if __name__ == "__main__":
    main()