class_docstr: Negation of another filter.
code: def __init__(self, filter):
      self.filter = filter
  
imports: from __future__ import unicode_literals
  from abc import ABCMeta, abstractmethod
  from six import with_metaclass
  from prompt_toolkit.utils import test_callable_args
label_desc: Use image node_id 1 to create a new _Invert object from inherited base classes: Filter with example: obj = _Invert(filter)