class_docstr: Negation of another filter.
class_docstr_tok: ["Negation","of","another","filter","."]
code: def __call__(self) -> bool:
      return not self.filter()
  
imports: from __future__ import annotations
  from abc import ABCMeta, abstractmethod
  from typing import Callable, Iterable, Union
label_desc: Use image node_id 2 for calling the _Invert obj's underlying member method code with example usage: obj.__call__() and returns: unknown