code: def load_cfg(cfg, args):
      r"""Load configurations from file system and command line.
  
      Args:
          cfg (CfgNode): Configuration node
          args (ArgumentParser): Command argument parser
      """
      cfg.merge_from_file(args.cfg_file)
      cfg.merge_from_list(args.opts)
      assert_cfg(cfg)
  
file_path: pytorch_geometric/torch_geometric/graphgym/config.py
imports: import functools
  import inspect
  import logging
  import os
  import os.path
  import warnings
  from collections.abc import Iterable
  from dataclasses import asdict
  from typing import Any
  import torch_geometric.graphgym.register
  from torch_geometric.io import fs
label_desc: Use image node_id 4 for calling a global function with example usage: load_cfg(cfg, args) without return types