PostgreSQL恢复后，我得到“关系django_session的权限被拒绝”

I'm currently running my Django 1.1.1 site with PostgreSQL 8.4.2 both on the live server and locally. When I try to restore one of my backup from the live server on my local box, I get the following error while accessing my site locally(I'm currently running my Django 1.1.1 site with