hasattr(requests, logging) -> 2nd argument should be a string

[Julie Pichon]

Horizon fails on a fresh devstack with the following error:

hasattr(): attribute name must be string

[...]
File "/opt/stack/horizon/openstack_dashboard/wsgi/../../openstack_dashboard/api/nova.py" in novaclient
  261. http_log_debug=settings.DEBUG)
File "/opt/stack/python-novaclient/novaclient/v1_1/client.py" in __init__
  146. cacert=cacert)
File "/opt/stack/python-novaclient/novaclient/client.py" in __init__
  103. if hasattr(requests, logging):

It should be hasattr(requests, "logging") on line 103.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/21782

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/21782
Committed: http://github.com/openstack/python-novaclient/commit/2b81789f1a86c4446aea20465cccbe08e3a820ae
Submitter: Jenkins
Branch: master

commit 2b81789f1a86c4446aea20465cccbe08e3a820ae
Author: Victoria Martínez de la Cruz <email address hidden>
Date: Tue Feb 12 11:46:02 2013 -0300

    Corrects 2nd argument type for logging

    Fixes a regression introduced in commit
    c73afa9fd1df14bff9186c1e73ac8f3593ef81db.

    This completely breaks Horizon in last
    DevStack version.

    Change-Id: Ib754c6ea325534399a34ff76a290475ac652fea9
    Fixes: bug #1122958