gistfile1.txt

import sys
import subprocess
import threading
import os


#### test.py ########
#import sys
#print("path is " , sys.argv[1])
#print("This is test")
#####################

process = ''
def checkPout():
    global process
    while True:
        out = process.stdout.read(1)
        if out == b'' and  process.poll()  != None:
            break
        if out != b'':
            sys.stdout.write(out.decode())
            sys.stdout.flush()
            
            
yourpath = os.getcwd()
cmd ="python test1.py --path=%s"%(yourpath)
process  = subprocess.Popen(cmd,stdout = subprocess.PIPE,stderr = subprocess.PIPE,shell=True)
th =  threading.Thread(target= checkPout )
th.start()