keepalived split brain script PY-- concurrent ping packet, waits for the command is not used

vim keepalived_nginx.py
i
# coding=utf-8
import os,time,subprocess,threading
def ping(Sip,Dip):
    Ip='ping  -c 1 -I  %s %s'%(Sip,Dip)
    p = subprocess.Popen([Ip],stdin=subprocess.PIPE,stdout=subprocess.PIPE,stderr=subprocess.PIPE, shell=True)
    out = p.stdout.read().decode('utf-8').split(',')
    for i in out:
        if i.find('received')>0:
            return i.split()[0]

class MyThread(threading.Thread):
    def __init__(self, func, args):
        super(MyThread, self).__init__()
        self.func = func
        self.args = args
    def run(self):
        self.result = self.func(*self.args)

    def get_result(self):
        try:
            return self.result
        except Exception:
            return None

if __name__ == "__main__":
    Sip1 = '192.168.3.224'
    Sip2 = '172.16.0.224'
    Gip1 = '192.168.3.1'
    Dip1 = '192.168.3.225'
    Dip2 = '172.16.0.225'
    Gip2 = '172.16.0.1'
    i = 0
    while True:
        print()
        time.sleep(3)
        t1 = MyThread(ping, args=(Sip1, Gip1))
        t1.start()
        t2 = MyThread(ping, args=(Sip1, Dip1))
        t2.start()
        t3 = MyThread(ping, args=(Sip2, Dip2))
        t3.start()
        the MyThread = T4 (of ping, args = (Sip2, Gip2)) 
        t4.start () 
        t1.join () 
        t2.join () 
        t3.join () 
        t4.join () 
        I1 = int (t1.get_result ()) 
        I2 int = (t2.get_result ()) 
        I3 = int (t3.get_result ()) 
        I4 = int (t4.get_result ()) 
        IF I1 and I4: 
            the os.system ( 'Start systemctl keepalived Nginx') 
            I = 0 
            IF I2 and I3 0 == 0 ==: 
                Print ( 'warning, Keepalived the master device outside the network are broken \ n the device master device \ n') 
            elif I2 and I3 0 ==> 0: 
                Print ( 'warning, the main Keepalived disconnecting the external network \ n the device master device \ n ') 
            elif I3 == 0 and I2> 0:
                print ( 'warning, disconnect the main network Keepalived \ n the device master device \ n') 
            the else: 
                print ( 'normal network, the device is a backup') 
        the else: 
            IF I1 == 0: 
                print ( 'warning, outer network disconnected \ the n-') 
            the else: 
                Print (' warning, the network is disconnected \ the n-') 
            os.system (' systemctl STOP keepalived nginx ') 
            Print (' nginx and keepalived service has been suspended for \ the n-') 
            i = 1 
            the Continue