code: def get_config(self):
      raise NotImplementedError
  
imports: import tree
  from keras import backend
  from keras import losses
  from keras import metrics
  from keras import ops
  from keras.utils.naming import get_object_name
label_desc: Use image node_id 5 for calling the MetricsList obj's underlying member method code with example usage: obj.get_config() without return types