Openstack uses python 2.7 and not 3.x. In some cases, pip install python-openstackclient, would install a broken openstack client. Hence openstack client would not work. It would give following error: ImportError: No module named queue
$ openstack --help
Traceback (most recent call last):
File "/Users/Library/Python/2.7/bin/openstack", line 10, in <module>
from openstackclient.shell import main
File "/Users/Library/Python/2.7/lib/python/site-packages/openstackclient/shell.py", line 24, in <module>
.
.
.
from openstack import utils
File "/Users/Library/Python/2.7/lib/python/site-packages/openstack/utils.py", line 13, in <module>
import queue
ImportError: No module named queue