@classmethod
  def from_json(cls, json_in):
    mapreduce_spec = cls(json_in["name"],
                         json_in["mapreduce_id"],
                         json_in["mapper_spec"],
                         json_in.get("params"),
                         json_in.get("hooks_class_name"))
    return mapreduce_spec
Test with a changed positional argument.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/mapreduce/model.py/MapreduceSpec.from_json--crossover with--dataset/ETHPy150Open cloudera/hue/desktop/core/ext-py/South-1.0.2/south/tests/autodetection.py/TestComparison.test_pos_change