def is_iterable(x):
    try:
        iter(x)
    except TypeError:
        return False
    else:
        return True
Get the latest version of the requested operation. This should block
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/utils/itercompat.py/is_iterable--crossover with--dataset/ETHPy150Open ClusterHQ/flocker/flocker/node/agents/gce.py/OperationPoller.poll