code: def pidinet():
      pdcs = config_model("carv4")
      return PiDiNet(60, pdcs, dil=24, sa=True)
  
imports: import os
  import math
  import torch
  import numpy
  import torch.nn
  import torch.nn.functional
  from typing import Optional
  from cftool.cv import to_uint8
  from ....parameters import OPT
label_desc: Use image node_id 3 for calling a global function with example usage: pidinet() and returns: PiDiNet