Using timedelta and virtual environment to calculate period of initial execution is more than 10 seconds
initial = os.environ.get('SHUFFLE_TIME', 'empty')
if initial == 'empty':
initial = str(datetime.datetime.now())
os.environ["SHUFFLE_TIME"] = initial
if initial != 'empty':
datetime_object = datetime.datetime.strptime(initial, '%Y-%m-%d %H:%M:%S.%f')
if datetime_object + datetime.timedelta(seconds=10) < datetime.datetime.now():
#do something
os.environ["SHUFFLE_TIME"] = str(datetime.datetime.now)())
