code: def _check_arg_is_not_none(args, arg):
      assert (
          getattr(args, arg) is not None
      ), "{} argument is None".format(arg)
  
imports: import argparse
  import os
  import torch
label_desc: Use image node_id 3 for calling a global function with example usage: _check_arg_is_not_none(args, arg) without return types