code: def is_bnb_4bit_available() -> bool:
      if not is_bnb_available():
          return False
  
      import bitsandbytes as bnb
  
      return hasattr(bnb.nn, "Linear4bit")
  
file_path: peft/src/peft/import_utils.py
imports: import importlib
  import importlib.metadata
  from functools import lru_cache
  import packaging.version
label_desc: Use image node_id 2 for calling a global function with example usage: is_bnb_4bit_available() and returns: hasattr, False