Dashboard error caused by cinderclient TypeError

[Liang Junxue]

Dashboard error caused by cinderclient TypeError
Version: grizzly rc3
When I login into the Openstack Dashboard, The URL http://MyIP/horizon/admin/ returns an error:

TypeError at /admin/
hasattr(): attribute name must be stringRequest Method: GET
Request URL: http://210.25.137.233/horizon/admin/
Django Version: 1.4.5
Exception Type: TypeError
Exception Value: hasattr(): attribute name must be string
Exception Location: /usr/lib/python2.7/dist-packages/cinderclient/client.py in __init__, line 78
Python Executable: /usr/bin/python
Python Version: 2.7.3
Python Path: ['/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../..',
 '/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/local/lib/python2.7/dist-packages',
 '/usr/lib/python2.7/dist-packages',
 '/usr/share/openstack-dashboard/',
 '/usr/share/openstack-dashboard/openstack_dashboard']

I check the apache error log
tail /var/log/apache2/error.log
[Thu Mar 28 13:04:07 2013] [error] quotasets.append(getattr(cinder, method_name)(request, tenant_id))
[Thu Mar 28 13:04:07 2013] [error] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/api/cinder.py", line 123, in tenant_quota_get
[Thu Mar 28 13:04:07 2013] [error] c_client = cinderclient(request)
[Thu Mar 28 13:04:07 2013] [error] File "/usr/share/openstack-dashboard/openstack_dashboard/wsgi/../../openstack_dashboard/api/cinder.py", line 59, in cinderclient
[Thu Mar 28 13:04:07 2013] [error] http_log_debug=settings.DEBUG)
[Thu Mar 28 13:04:07 2013] [error] File "/usr/lib/python2.7/dist-packages/cinderclient/v1/client.py", line 69, in __init__
[Thu Mar 28 13:04:07 2013] [error] cacert=cacert)
[Thu Mar 28 13:04:07 2013] [error] File "/usr/lib/python2.7/dist-packages/cinderclient/client.py", line 78, in __init__
[Thu Mar 28 13:04:07 2013] [error] if hasattr(requests, logging):
[Thu Mar 28 13:04:07 2013] [error] TypeError: hasattr(): attribute name must be string

in "/usr/lib/python2.7/dist-packages/cinderclient/client.py" line 78
if hasattr(requests, logging):
                requests.logging.getLogger(requests.__name__).addHandler(ch)

change it to
if hasattr(requests, "logging"):
                requests.logging.getLogger(requests.__name__).addHandler(ch)

and restart all the cinder services
and It works!