code: def save_model(self, path, save_data=True, save_generate_data_method=True, values_to_save=None):
          
          attr_list = ["data" * (not save_data), "generate_new_data" * (not save_generate_data_method)]
          _save_obj_without_attr(self, attr_list, path, values_to_save=values_to_save)
docs: Save model with dill package.
  
          Parameters
          ----------
          path: str
              Path where to save model.
          save_data: bool, optional
              Whether to save data from fitter.data to pickle object
          save_generate_data_method: bool, optional
              Whether to save generate_new_data method (if it exists) from
              fitter.generate_new_data to pickle object.
          values_to_save: list, optional
              Placeholders for original attributes for saving object. If None
              will be extended to attr_list length like [None] * len(attr_list)