code: def accelerator_name(is_gpu: bool) -> str:
      return "GPU" if is_gpu else "TPU"
  
imports: import argparse
  from enum import Enum
  from typing import Callable, List, NamedTuple, Optional, Set, Union
  import caliban.util
label_desc: Use image node_id 3 for calling a global function with example usage: accelerator_name(is_gpu) and returns: unknown