class_docstr: Base results class.
class_docstr_tok: ["Base","results","class","."]
docstr: Save fitted strategy.
docstr_tok: ["Save","fitted","strategy","."]
code: def save_fitted_strategy(self, strategy, dataset_name, cv_fold):
      """Save fitted strategy."""
      raise NotImplementedError()
  
imports: import os
  from abc import ABC, abstractmethod
  from warnings import warn
  import numpy
  from joblib import dump, load
label_desc: Use image node_id 5 for calling the BaseResults obj's underlying member method code with example usage: obj.save_fitted_strategy(strategy, dataset_name, cv_fold) without return types