_filter_list report encode failure

[Liu Qing]

while using ansible os_server to launch a new vm, it complains about the encoding error. This is due to we have unicode characters in vm name. I think shade is trying to find whether this vm is already in nova, but it failed to process unicode.

Traceback (most recent call last):
  File "/tmp/ansible_TdV8II/ansible_module_os_server.py", line 648, in <module>
    main()
  File "/tmp/ansible_TdV8II/ansible_module_os_server.py", line 636, in main
    _get_server_state(module, cloud)
  File "/tmp/ansible_TdV8II/ansible_module_os_server.py", line 549, in _get_server_state
    server = cloud.get_server(module.params['name'])
  File "/usr/lib/python2.7/site-packages/shade/openstackcloud.py", line 2623, in get_server
    return _utils._get_entity(searchfunc, name_or_id, filters)
  File "/usr/lib/python2.7/site-packages/shade/_utils.py", line 165, in _get_entity
    entities = func(name_or_id, filters, **kwargs)
  File "/usr/lib/python2.7/site-packages/shade/openstackcloud.py", line 1579, in search_servers
    return _utils._filter_list(servers, name_or_id, filters)
  File "/usr/lib/python2.7/site-packages/shade/_utils.py", line 109, in _filter_list
    str(e_name), str(name_or_id)))):
UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-1: ordinal not in range(128)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/python-openstacksdk 0.10.0 release.