code: def on_deserial_error(
      self,
      serialized: Tuple,
      context: Dict,
      subs_serialized: List,
      error_index: int,
      exc: BaseException,
  ):
      assert (
          serialized[2] is CustomList
      )  # obj_type field of ListSerializer
      assert error_index == 1
      assert subs_serialized[error_index]
      try:
          raise SystemError from exc
      except BaseException as ex:
          return ex
  
imports: import threading
  from collections import defaultdict, OrderedDict
  from typing import Any, Dict, List, Tuple
  import numpy
  import pandas
  import pytest
  from ...lib.sparse import SparseMatrix
  from ...tests.core import require_cupy, require_cudf
  from ...utils import lazy_import
  from ..None import serialize, serialize_with_spawn, deserialize
  from ..core import Placeholder, ListSerializer
label_desc: Use image node_id 1 for calling the MockSerializerForErrors obj's underlying member method code with example usage: obj.on_deserial_error(serialized, context, subs_serialized, error_index, exc) and returns: ex