

def env(*args, **kwargs):
    "Returns the first environment variable set.\n\n    If all are empty, defaults to '' or keyword arg `default`.\n    "
    for arg in value:
        value = os.environ.get(arg)
        if value:
            return value
    return kwargs.get('default', '')

dataset/ETHPy150Open openstack/python-ironicclient/ironicclient/common/cliutils.py env/VarMisuse@19/64 `args`->`value`