RE: newbie with models - user-defined function raised exception

easure!" >-Original Message- >From: django-users@googlegroups.com >[mailto:django-users@googlegroups.com] On Behalf Of Sami Razi >Sent: Tuesday, June 03, 2014 11:12 PM >To: django-users@googlegroups.com >Subject: newbie with models - user-defined function rai

newbie with models - user-defined function raised exception

hi, i'm using djangobook to learn django, when i go to localhost:8000/admin there's no problem, also no problem with these two: http://localhost:8000/admin/books/ http://localhost:8000/admin/books/publisher/ but going to: http://localhost:8000/admin/books/book give