def __neg__(self):
    return datastore_query.PropertyOrder(
        self._name, datastore_query.PropertyOrder.DESCENDING)
Print error messages, the parser stack, and the input text -- for human-readable error messages.
dataset/ETHPy150Open GoogleCloudPlatform/datastore-ndb-python/ndb/model.py/Property.__neg__--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/words/xish/xpathparser.py/print_error