docstr: Override in subclass
code: def set(self, opt: int, val: OptValT) -> None:
      """Override in subclass"""
      raise NotImplementedError("override in subclass")
  
file_path: catboost/contrib/python/pyzmq/py3/zmq/sugar/attrsettr.py
imports: import errno
  from typing import TypeVar, Union
  from ..None import constants
label_desc: Use image node_id 6 for calling the AttributeSetter obj's underlying member method code with example usage: obj.set(opt, val) without return types