class_docstr: Base class for all custom exceptions raised by the Ludwig framework.
class_docstr_tok: ["Base","class","for","all","custom","exceptions","raised","by","the","Ludwig","framework","."]
docstr: Docs: https://docs.python.org/3/library/pickle.html#object.__reduce__.
docstr_tok: ["Docs",":","https",":","\/\/docs.python.org\/3\/library\/pickle.html","#","object.__reduce__","."]
code: def __reduce__(self):
      """Docs: https://docs.python.org/3/library/pickle.html#object.__reduce__."""
      raise NotImplementedError(
          "Implement __reduce__ for all subclasses of LudwigError as it's necessary for "
          "serialization by Ray. See https://github.com/ludwig-ai/ludwig/pull/2695."
      )
  
file_path: ludwig/ludwig/error.py
imports: from ludwig.api_annotations import PublicAPI
label_desc: Use image node_id 1 for calling the LudwigError obj's underlying member method code with example usage: obj.__reduce__() without return types