Python threading with subprocess

thread1.cmd

@echo off
echo This is %0
timeout 3

thread2.cmd

@echo off
echo This is %0
timeout 3

threads.py

#!/usr/bin/python

import threading
import time
import subprocess
import logging

def startsubprocess(command):
# start JMeter to load xxx messages on the queue
    output = subprocess.run(command, check=True,shell=True, universal_newlines=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)

    if output.stdout:
        logging.info(output.stdout)

    if output.stderr:
        logging.error(output.stderr)

if __name__ == "__main__":

    format = "%(asctime)s: %(message)s"
    logging.basicConfig(format=format, level=logging.INFO, datefmt="%Y-%m-%d %H:%M:%S")

    logging.info("Initialize threads")

    thread1 = threading.Thread(target=startsubprocess, args=["thread1.cmd"], daemon=True)
    thread2 = threading.Thread(target=startsubprocess, args=["thread2.cmd"], daemon=True)

    logging.info("Starting thread1")
    thread1.start()

    logging.info("Starting thread2")
    thread2.start()

    logging.info("Main    : wait for the threads to finish")
    thread1.join()
    thread2.join()
    logging.info("Main    : all done")