code: def __call__(self, parser, namespace, values, option_string=None):
      if values == "SRU":
          check_sru_requirement(abort=True)
      # Check pass, set the args.
      setattr(namespace, self.dest, values)
  
imports: import subprocess
  import platform
  import os
  import re
  import configargparse
  import torch
  import torch.nn
  from torch.autograd import Function
  from torch.cuda.amp import custom_fwd, custom_bwd
  from collections import namedtuple
label_desc: Use image node_id 2 for calling the CheckSRU obj's underlying member method code with example usage: obj.__call__(parser, namespace, values, option_string) without return types