Showing some load error in openstackclient --help

i installed openstakclient using from the git repository it working fine.

but when i run help command its showing some error code related to loading.

$ openstack --version
openstack 1.5.1

$ openstack -h

under Commands:

project create Create new project
project delete Delete project(s)
project list List projects
project set Set project properties
project show Display project details

Could not load EntryPoint.parse('queue_create = zaqarclient.queues.v1.cli:CreateQueue')
Could not load EntryPoint.parse('queue_delete = zaqarclient.queues.v1.cli:DeleteQueue')
Could not load EntryPoint.parse('queue_exists = zaqarclient.queues.v1.cli:CheckQueueExistence')
Could not load EntryPoint.parse('queue_get_metadata = zaqarclient.queues.v1.cli:GetQueueMetadata')
Could not load EntryPoint.parse('queue_list = zaqarclient.queues.v1.cli:ListQueues')
Could not load EntryPoint.parse('queue_set_metadata = zaqarclient.queues.v1.cli:SetQueueMetadata')
Could not load EntryPoint.parse('queue_stats = zaqarclient.queues.v1.cli:GetQueueStats')

quota set Set quotas for project or class

regards,
cooldharma06