code: def clear_size(self):
      if (
          self.type == LayerType.attention.value
          or LayerType.rnn.value
          or LayerType.self_attention.value
      ):
          self.size = None
  
imports: import copy
  import json
  import random
  from enum import Enum, unique
label_desc: Use image node_id 3 for calling the Layer obj's underlying member method code with example usage: obj.clear_size() without return types