code: def _arrow_chunked_array_reduce(
      ca: "pyarrow.ChunkedArray",
  ) -> Tuple[List["PicklableArrayPayload"], "pyarrow.DataType"]:
      """Custom reducer for Arrow ChunkedArrays that works around a zero-copy slice
      pickling bug. This reducer does not return a reconstruction function, since it's
      expected to be reconstructed by the Arrow Table reconstructor.
      """
      # Convert chunks to serialization payloads.
      chunk_payloads = []
      for chunk in ca.chunks:
          chunk_payload = PicklableArrayPayload.from_array(chunk)
          chunk_payloads.append(chunk_payload)
      return chunk_payloads, ca.type
  
imports: from dataclasses import dataclass
  import logging
  import os
  import sys
  from typing import List, Tuple, Optional, TYPE_CHECKING
label_desc: Use image node_id 8 for calling a global function with example usage: _arrow_chunked_array_reduce(ca) and returns: chunk_payloads,  ca