code: def set_from_config(config_json, init=None, return_class=True):
      _id, layers = LayerCascade.set_from_config(
          config_json, init, return_class=False
      )
      return TransitionBlock(_id, layers)
  
imports: import tensorflow
  from models.basic_model import BasicModel
  from models.layers import ConvLayer, FCLayer, PoolLayer, get_magnifier, apply_noise
  from data_providers.base_provider import DataProvider
  from models.layer_cascade import LayerCascade
  from models.layer_multi_branch import LayerMultiBranch
  import numpy
label_desc: Use image node_id 2 for calling the TransitionBlock obj's underlying member method code with example usage: obj.set_from_config(config_json, init, return_class) and returns: TransitionBlock