code: def __repr__(self):
      return "Model_{}_id_{}".format(str(self._case), self._id)
  
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 2 for calling the FoldModel obj's underlying member method code with example usage: obj.__repr__() and returns: str