use mod_python' session and redirect

[wafd Alex]

hi all
    when i use Session object to save a object and then i use
util.redirect(req,url) to redirect a .psp.But in my psp i cann't load
session so i cann't get object from session,help me,thanks
here is my code
.py
	s=Session.Session(req)
	s["cur_user"]=user
	s.set_timeout(18000)
	s.save()
	util.redirect(req, "/psp/user/edituser.psp")
edituser.psp
     <%
import com.lgd.model.allmodel as am
from mod_python import Session 
sess=Session.Session(req)
user=am.User()
uname=None
upass=None
fullname=None
email=None
if sess.is_new(): 
    req.write("somethin opration")
else:
    user=sess["cur_user"]
    uname=user.uname
    upass=user.upass
    fullname=user.fullname
    email=user.email
%>