code: def get_memory(memory: Union[bool, str, Path, Memory]) -> Memory:
      if memory is None or isinstance(memory, Memory):
          return memory
      if isinstance(memory, (str, Path, bool)):
          if not memory:
              return None
          if memory:
              tmpdir = (
                  tempfile.gettempdir()
                  if isinstance(memory, bool)
                  else str(memory)
              )
              return FastMemory(
                  tmpdir, verbose=0, bytes_limit=DEFAULT_BYTES_LIMIT
              )
      raise TypeError(
          f"memory must be a bool, str or joblib.Memory object, got {type(memory)}"
      )
  
imports: import hashlib
  import pickle
  import struct
  import sys
  import tempfile
  import time
  import traceback
  from pathlib import Path
  from typing import TYPE_CHECKING, Union
  from joblib.hashing import Hasher, Pickler
  from joblib.memory import MemorizedFunc, MemorizedResult, Memory, NotMemorizedResult, _format_load_msg, filter_args, format_call, format_signature, format_time, get_func_name
  from xxhash import xxh128
label_desc: Use image node_id 2 for calling a global function with example usage: get_memory(memory) and returns: memory, None, FastMemory