@classmethod
  def from_json_str(cls, json_str):
    return cls.from_json(json.loads(json_str, cls=JsonDecoder))
Resolves a dict to DataCollection mapping.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/mapreduce/model.py/JsonMixin.from_json_str--crossover with--dataset/ETHPy150Open impactlab/eemeter/eemeter/meter/base.py/MeterBase._data_collection_from_dict