code: def __init__(
      self,
      shape: tuple[int, ...],
      index_map: dict[int, list[tuple[slice, ...]]],
  ) -> None:
      self.size = math.prod(shape)
      self.shape = shape
      self.index_map = index_map
  
imports: import dataclasses
  import math
  import pytest
  import numpy
  import cupy
  from cupy import testing
  from cupyx.distributed.array import _linalg
  from cupyx.distributed import array
  from cupyx.distributed.array import REPLICA, SUM
label_desc: Use image node_id 1 to create a new ArrayConfig object  with example: obj = ArrayConfig(shape, index_map)