pipe = subprocess.Popen(cmd, shell=b, close_fds=b, stdin=subprocess.PIPE, \
stdout=subprocess.PIPE, universal_newlines=True)
pipe.stdin.close()
pipe = subprocess.Popen(cmd, shell=b, close_fds=b, stdin=subprocess.PIPE, \
stdout=subprocess.PIPE, universal_newlines=True)
pipe.stdin.close()