def __virtual__():
    if salt.utils.is_darwin():
        return __virtualname__
    return False
Convert a time interval to a map from hours (represented as
dataset/ETHPy150Open saltstack/salt/salt/states/mac_package.py/__virtual__--crossover with--dataset/ETHPy150Open Yelp/mrjob/mrjob/tools/emr/audit_usage.py/_subdivide_interval_by_hour