Piping processes works with 'shell = True' but not otherwise.

[Luca Cerone]

thanks and what about python 2.7?
> 
> 
> In Python 3.3 and above:
> 
> 
> 
> p = subprocess.Popen(..., stderr=subprocess.DEVNULL)

P.s. sorry for the late reply, I discovered I don't receive notifications from google groups..