def __reduce__(self):
        # We need to remove 'joblib' from the end of cachedir
        cachedir = self.cachedir[:-7] if self.cachedir is not None else None
        return (self.__class__, (cachedir,
                self.mmap_mode, self.compress, self._verbose))
addObserversToInteractorStyle() -> None        
dataset/ETHPy150Open scikit-learn/scikit-learn/sklearn/externals/joblib/memory.py/Memory.__reduce__--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/contrib/titan/vtkviewcell.py/QVTKViewWidget.addObserversToInteractorStyle