code: def validate_args(args):
      if args.read_file and not os.path.isfile(args.read_file):
          print(f"args validation error: {args.read_file} not found")
          return False
  
      return True
  
file_path: H2O/h2o_flexgen/benchmark/third_party/DeepSpeed/deepspeed/ops/csrc/aio/py_test/test_ds_aio.py
imports: import os
  import argparse
  import multiprocessing
  from ds_aio_basic import aio_basic_multiprocessing
  from ds_aio_handle import aio_handle_multiprocessing
  from test_ds_aio_utils import refine_args
label_desc: Use image node_id 2 for calling a global function with example usage: validate_args(args) and returns: True, False