python - NameError: name 'subprocess' is not defined -

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i'm trying make rng website: http://jamesdotcom.com/?p=417. when run following code:

captureimage = subprocess.popen(    [        "fswebcam", "-r", "356x292", "-d", "/dev/video0",         "static.jpg", "--skip", "10"    ],     stdout=devnull, stderr=devnull) captureimage.communicate()

i following error message:

nameerror: name 'subprocess' not defined

what should do? thanks

have imported first?

import subprocess captureimage = subprocess.popen(["fswebcam", ...)

subprocess included in python standard library since python 2.4. should not necessary install it.


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