def length_for_names(store, *queue_names):
    for queue_name in queue_names:
        yield queue_name, store.llen(key_for_name(queue_name))
Set the inversion method
dataset/ETHPy150Open richardhenry/hotwatch/hotwatch/query.py/length_for_names--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/tsa/statespace/mlemodel.py/MLEModel.set_inversion_method