def addHandler(self, handler):
        handler.setFormatter(_formatter)
        return logging.Logger.addHandler(self, handler)
Returns the sample variance of values in an array, (i.e., using N-1),
dataset/ETHPy150Open nii-cloud/dodai-compute/nova/log.py/NovaLogger.addHandler--crossover with--dataset/ETHPy150Open radlab/sparrow/src/main/python/third_party/stats.py/atvar