code: def dump(
      pickler: "TableRemotePersistentPickler", obj: "Context"
  ) -> Any:
      from fate.arch.context import Context
  
      assert isinstance(obj, Context)
      key = f"{pickler._name}__context__"
      return _ContextPersistentId(key)
  
imports: import io
  import logging
  import pickle
  import struct
  import typing
  from typing import Any, List, Tuple, TypeVar
  from fate.arch.config import cfg
  from ._table_meta import TableMeta
  from ._type import PartyMeta
label_desc: Use image node_id 2 for calling the _ContextPersistentId obj's underlying member method code with example usage: obj.dump(pickler, obj) and returns: _ContextPersistentId