82bc6dbe5ce4062dae837a812848c687b34f854d,parlai/scripts/train_model.py,TrainLoop,_average_dicts,#TrainLoop#Any#,316

Before Change

        to_reduce = {}
        for d in all_versions:
            for k, v in d.items():
                if k not in to_reduce:
                    to_reduce[k] = []
                to_reduce[k].append(v)
        // now perform the reduction
        finalized = {}
        for k, values in to_reduce.items():

After Change

        to_reduce = {}
        for d in all_versions:
            for k, v in d.items():
                to_reduce.setdefault(k, []).append(v)
        // now perform the reduction
        finalized = {}
        for k, values in to_reduce.items():

Instances