def update_gradients_diag(self, dL_dKdiag, X):
        raise NotImplementedError
Python calls this hook to reload a module.
dataset/ETHPy150Open SheffieldML/GPy/GPy/kern/src/kern.py/Kern.update_gradients_diag--crossover with--dataset/ETHPy150Open anandology/pyjamas/pyjd/imputil.py/ImportManager._reload_hook