def deref_vtk(obj):
    if hasattr(obj, '_vtk_obj'):
        return obj._vtk_obj
    else:
        return obj
My URL
dataset/ETHPy150Open enthought/mayavi/tvtk/array_handler.py/deref_vtk--crossover with--dataset/ETHPy150Open jupyterhub/jupyterhub/jupyterhub/user.py/User.url