text: from striped.ml.keras_backend import ML_Keras_Worker
  from striped.ml import ML_Accumulator
  
  class Worker(ML_Keras_ValidateWorker):
          def __init__(self, params, bulk, job_interface, db_interface):
                  ML_Keras_Worker.__init__(self, params, bulk, "image", "labels", 
                          optimizer = SGD(lr=0.1, nesterov=False, momentum=0.5))
  
  class Accumulator(ML_TrainAccumulator):
          pass
  
  
  