code: def reducer_override(self, obj):
      # For some objects this causes segfaults otherwise, see
      # https://github.com/dask/distributed/pull/7564#issuecomment-1438727339
      if _always_use_pickle_for(obj):
          return NotImplemented
      try:
          serialize = dask_serialize.dispatch(type(obj))
          deserialize = dask_deserialize.dispatch(type(obj))
          return deserialize, serialize(obj)
      except TypeError:
          return NotImplemented
  
file_path: distributed/distributed/protocol/pickle.py
imports: from __future__ import annotations
  import inspect
  import io
  import logging
  import pickle
  import cloudpickle
  from packaging.version import parse
  from distributed.protocol.serialize import dask_deserialize, dask_serialize
label_desc: Use image node_id 1 for calling the _DaskPickler obj's underlying member method code with example usage: obj.reducer_override(obj) and returns: NotImplemented, deserialize,  serialize, NotImplemented