code: def __init__(self, case, model_path, model_id):
      self._id = model_id
      self._case = case
      self._model_path = model_path
  
file_path: catboost/catboost/python-package/catboost/eval/_fold_model.py
imports: import os
  from ..None import CatBoostError, CatBoost
label_desc: Use image node_id 1 to create a new FoldModel object  with example: obj = FoldModel(case, model_path, model_id)