from tensorflow.python.framework import ops


  def _define_vars(self, params):
    pass

  def inference_graph(self, data):
    with ops.device(self.device_assigner):
      # Compute activations for the neural network.
      nn_activations = [layers.fully_connected(data, self.params.layer_size)]

      for _ in range(1, self.params.num_layers):
