# First change here, get_veff(ks_grad, mol=None, dm=None) -> get_veff(ks_grad, mol=None, dm=None, hermi=1)
def get_veff(ks_grad, mol=None, dm=None, hermi=1):
    '''
    First order derivative of DFT effective potential matrix (wrt electron coordinates)

    Args:
        ks_grad : grad.uhf.Gradients or grad.uks.Gradients object
    '''
    if mol is None: mol = ks_grad.mol
    if dm is None: dm = ks_grad.base.make_rdm1()
    t0 = (logger.process_clock(), logger.perf_counter())

    mf = ks_grad.base
    ni = mf._numint
    grids, nlcgrids = rks_grad._initialize_grids(ks_grad)

    ni = mf._numint
    mem_now = lib.current_memory()[0]
    max_memory = max(2000, ks_grad.max_memory*.9-mem_now)
    if ks_grad.grid_response:
       # Second change here, added hermi=hermi, before defaulted to hermi=1
        exc, vxc = get_vxc_full_response(ni, mol, grids, mf.xc, dm,
                                         hermi=hermi,
                                         max_memory=max_memory,
                                         verbose=ks_grad.verbose)
        if mf.do_nlc():
            if ni.libxc.is_nlc(mf.xc):
                xc = mf.xc
            else:
                xc = mf.nlc
            # Third change here, added hermi=hermi, before defaulted to hermi=1
            enlc, vnlc = rks_grad.get_nlc_vxc_full_response(
                ni, mol, nlcgrids, xc, dm[0]+dm[1],
                hermi=hermi,
                max_memory=max_memory, verbose=ks_grad.verbose)
            exc += enlc
            vxc += vnlc
        logger.debug1(ks_grad, 'sum(grids response) %s', exc.sum(axis=0))
    else:
       # Forth change here, added hermi=hermi, before defaulted to hermi=1
        exc, vxc = get_vxc(ni, mol, grids, mf.xc, dm,
                           hermi=hermi,
                           max_memory=max_memory, verbose=ks_grad.verbose)
        if mf.do_nlc():
            if ni.libxc.is_nlc(mf.xc):
                xc = mf.xc
            else:
                xc = mf.nlc
            # Fifth change here, added hermi=hermi, before defaulted to hermi=1
            enlc, vnlc = rks_grad.get_nlc_vxc(
                ni, mol, nlcgrids, xc, dm[0]+dm[1],
                hermi=hermi,
                max_memory=max_memory, verbose=ks_grad.verbose)
            vxc += vnlc
    t0 = logger.timer(ks_grad, 'vxc', *t0)

    # The Hartree-Fock calls below default to hermi=0, so they're not an issue in my case, no modifications.
    if not ni.libxc.is_hybrid_xc(mf.xc):
        vj = ks_grad.get_j(mol, dm)
        vxc += vj[0] + vj[1]
    else:
        omega, alpha, hyb = ni.rsh_and_hybrid_coeff(mf.xc, spin=mol.spin)
        vj, vk = ks_grad.get_jk(mol, dm)
        vk *= hyb
        if omega != 0:
            vk += ks_grad.get_k(mol, dm, omega=omega) * (alpha - hyb)
        vxc += vj[0] + vj[1] - vk

    return lib.tag_array(vxc, exc1_grid=exc)