external/tests/testmod.py


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import subprocess 

def test():
#    proc = subprocess.Popen(['env'], stdout=subprocess.PIPE)
    proc = subprocess.Popen(['nvidia-smi'], stdout=subprocess.PIPE)
#    proc = subprocess.Popen(['nvidia-smi', '-q', '-i', '0'], stdout=subprocess.PIPE)
#    proc = subprocess.Popen(['ls', '/usr/bin/'], stdout=subprocess.PIPE)
#    proc = subprocess.Popen('ls', stdout=subprocess.PIPE)
    return proc.stdout.read()