code: def nonreg_modules(self):
      return self.lins
  
file_path: DIG/dig/lsgraph/method/GraphFMOB/models/pna_jk.py
imports: from typing import Optional, List
  import torch
  from torch import Tensor
  import torch.nn.functional
  from torch.nn import ModuleList, Linear, BatchNorm1d, Sequential, ReLU, Identity
  from torch_sparse import SparseTensor
  from ..models import ScalableGNN
  from ..models.pna import PNAConv
label_desc: Use image node_id 3 for calling the PNA_JK obj's underlying member method code with example usage: obj.nonreg_modules() and returns: self