def isnull(values):
    import pandas as pd
    return elemwise(pd.isnull, values, dtype='bool')
Create a new load balancer policy
dataset/ETHPy150Open dask/dask/dask/array/core.py/isnull--crossover with--dataset/ETHPy150Open apache/libcloud/libcloud/loadbalancer/drivers/elb.py/ElasticLBDriver.ex_create_balancer_policy