def sub_map(self, counters_map):
    for counter_name in counters_map.counters:
      self.increment(counter_name, -counters_map.counters[counter_name])
The input data path
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/mapreduce/model.py/CountersMap.sub_map--crossover with--dataset/ETHPy150Open grafos-ml/test.fm/src/testfm/okapi/connector.py/BaseOkapiModel.input