code: def __init__(self, name):
      self.name = name
  
file_path: catboost/contrib/python/ipython/py2/IPython/terminal/pt_inputhooks/__init__.py
imports: import importlib
  import os
label_desc: Use image node_id 1 to create a new UnknownBackend object from inherited base classes: KeyError with example: obj = UnknownBackend(name)