python stdout auto flush

output.py

import time,sys,os
# usage: 
# ssh localhost 'python <this_file>'
def test():
    j = True
    while j:
        time.sleep(1)
        print("Hello:"+str(j))
    print "Bye"

if __name__ == "__main__":
    sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
    test()