def call(coro):
    if not isinstance(coro, types.GeneratorType):
        raise ValueError(u'%s is not a coroutine' % coro)
    return DelegationEvent(coro)
Method to get the Policy for a particular ARN
dataset/ETHPy150Open beetbox/beets/beets/util/bluelet.py/call--crossover with--dataset/ETHPy150Open aws/aws-cli/awscli/customizations/datapipeline/createdefaultroles.py/CreateDefaultRoles._get_role_policy