def __virtual__():
    if HAS_GLANCE:
        return 'glance'
    return (False, 'The glance execution module cannot be loaded: the glanceclient python library is not available.')
Write out code to _gen_ with _indent_:string indentation
dataset/ETHPy150Open saltstack/salt/salt/modules/glance.py/__virtual__--crossover with--dataset/ETHPy150Open smurfix/yapps/yapps/parsetree.py/Node.output