def setAttributeNS(self, namespaceURI, localName, value):
        raise NotImplementedError, ''
Helper function of function diagonal_solve,
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/SOAPpy/wstools/Utility.py/MessageInterface.setAttributeNS--crossover with--dataset/ETHPy150Open sympy/sympy/sympy/matrices/dense.py/DenseMatrix._diagonal_solve