(self)
Return a :class:`.DataTransform` object implementing the reverse transform V -> U
Return a :class:`.DataTransform` object implementing the reverse transform V -> U
Return a : class : . DataTransform object implementing the reverse transform V - > U
def __invert__(self):
        """
        Return a :class:`.DataTransform` object implementing the reverse transform V -> U
        """
        raise NotImplementedError
def __invert__ ( self ) : raise NotImplementedError