def METHOD_NAME(self):
    mol = gto.M(atom='Cu 0. 0. 0.; H  0.  0. -1.56; H  0.  0.  1.56',
                basis={'Cu':'lanl2dz', 'H':'ccpvdz'},
                ecp = {'cu':'lanl2dz'},
                charge=-1,
                verbose=0)
    c0 = orth.pre_orth_ao(mol, method='ano')
    self.assertAlmostEqual(numpy.linalg.norm(c0), 5.9621174285790959, 9)