code: def delete(self):
      if os.path.exists(self._model_path):
          os.remove(self._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 6 for calling the FoldModel obj's underlying member method code with example usage: obj.delete() without return types