Comment 1 for bug 1027210

I've just installed the latest version of devstack, and I'm also seeing this error.

TypeError at /syspanel/images/images/
object of type 'generator' has no len()
Request Method: GET
Request URL: http://192.168.0.24/syspanel/images/images/
Django Version: 1.4
Exception Type: TypeError
Exception Value:
object of type 'generator' has no len()
Exception Location: /opt/stack/horizon/openstack_dashboard/wsgi/../../horizon/api/glance.py in image_list_detailed, line 63
Python Executable: /usr/bin/python
Python Version: 2.7.3
Python Path:
['/opt/stack/horizon/openstack_dashboard/wsgi/../..',
 '/opt/stack/python-keystoneclient',
 '/usr/local/lib/python2.7/dist-packages',
 '/opt/stack/python-novaclient',
 '/opt/stack/python-openstackclient',
 '/opt/stack/keystone',
 '/opt/stack/glance',
 '/opt/stack/python-glanceclient',
 '/opt/stack/nova',
 '/opt/stack/horizon',
 '/usr/lib/python2.7',
 '/usr/lib/python2.7/plat-linux2',
 '/usr/lib/python2.7/lib-tk',
 '/usr/lib/python2.7/lib-old',
 '/usr/lib/python2.7/lib-dynload',
 '/usr/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages/PIL',
 '/usr/lib/pymodules/python2.7',
 '/opt/stack/horizon/openstack_dashboard']
Server time: Fri, 20 Jul 2012 15:56:35 -0500