def get(key, default=''):
    if not isinstance(key, six.string_types):
        log.debug(
            '{0}: \'key\' argument is not a string type: \'{1}\''
            .format(__name__, key)
        )
        return False
    return os.environ.get(key, default)
parametric ellipse
dataset/ETHPy150Open saltstack/salt/salt/modules/environ.py/get--crossover with--dataset/ETHPy150Open mkenworthy/exorings/exorings.py/ellipse_para