class_docstr: Class that is responsible for learning models and computing their metrics
class_docstr_tok: ["Class","that","is","responsible","for","learning","models","and","computing","their","metrics"]
code: def _clean(self, splitter):
      if self._flag_remove_models:
          self._remove_model_dir()
      splitter.clean()
  
imports: from __future__ import print_function
  import os
  import time
  from ..None import CatBoostError
  from ..eval.log_config import get_eval_logger
  from ..eval.utils import make_dirs_if_not_exists
  from ..eval.evaluation_result import CaseEvaluationResult
  from ._fold_model import FoldModel
label_desc: Use image node_id 8 for calling the FoldModelsHandler obj's underlying member method code with example usage: obj._clean(splitter) without return types