code: def is_zero_layer():
      return True
  
imports: from collections import OrderedDict
  from nni.retiarii.serializer import basic_unit
  import torch
  import nni.retiarii.nn.pytorch
  from putils import get_same_padding, build_activation
label_desc: Use image node_id 3 for calling the ZeroLayer obj's underlying member method code with example usage: obj.is_zero_layer() and returns: True