def norm_times(self, ltimes):
        "Get the mean and stddev of ltimes, avoiding the extreme values."
        lmean = ltimes.mean()
        lstd = ltimes.std()
        ntimes = ltimes[lmean + lstd < ltimes]
        nmean = ntimes.mean()
        nstd = ntimes.std()
        return nmean, nstd
dataset/ETHPy150Open PyTables/PyTables/bench/indexed_search.py/DB.norm_times/swapped operands of `<`