code: def __init__(self, func=0):
      self.func = func
  
file_path: catboost/contrib/python/prompt-toolkit/py2/prompt_toolkit/reactive.py
imports: from __future__ import unicode_literals
  from abc import ABCMeta, abstractmethod
  from six import with_metaclass
label_desc: Use image node_id 1 to create a new _IntegerFromCallable object from inherited base classes: Integer with example: obj = _IntegerFromCallable(func)