code: def _get_argument_hash(self, *args, **kwargs):
      return fast_hash(
          filter_args(self.func, self.ignore, args, kwargs),
          coerce_mmap=(self.mmap_mode is not None),
      )
  
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 the FastMemorizedFunc obj's underlying member method code with example usage: obj._get_argument_hash() and returns: fast_hash