class_docstr: Negation of another filter.
code: def __repr__(self):
      return "~%r" % self.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 3 for calling the _Invert obj's underlying member method code with example usage: obj.__repr__() and returns: unknown