code: def _make_array_contiguous_if_needed(
      self, arr: "np.ndarray"
  ) -> "np.ndarray":
      if not arr.flags.c_contiguous:
          obj_c_contiguous = self.np.ascontiguousarray(arr)
      else:
          obj_c_contiguous = arr
      return obj_c_contiguous
  
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 FastNumpyHasher obj's underlying member method code with example usage: obj._make_array_contiguous_if_needed(arr) and returns: obj_c_contiguous