I don't understand how this bug is related to neutron, this error is raised in Horizon and according the stacktrace the error is raised more precisely when using manila-ui or manilaclient ... it seems you are mixing incorrect horizon/manila-ui/manilaclient version
** Changed in: neutron Status: New => Invalid -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to neutron. https://bugs.launchpad.net/bugs/1520581 Title: TypeError at /project/network_topology/ Status in neutron: Invalid Bug description: I installed latest Devstack, but got below error when tried to open network topology on Dashboard. Anyone met this issue? or is this a devstack build bug? TypeError at /project/network_topology/ Client() got multiple values for keyword argument 'api_version' Request Method: GET Request URL: http://10.109.194.114/dashboard/project/network_topology/ Django Version: 1.8.7 Exception Type: TypeError Exception Value: Client() got multiple values for keyword argument 'api_version' Exception Location: /opt/stack/manila-ui/manila_ui/api/manila.py in manilaclient, line 65 Python Executable: /usr/bin/python Python Version: 2.7.6 Python Path: ['/opt/stack/horizon/openstack_dashboard/wsgi/../..', '/opt/stack/keystone', '/opt/stack/swift', '/opt/stack/glance', '/opt/stack/cinder', '/opt/stack/neutron', '/opt/stack/nova', '/opt/stack/heat', '/opt/stack/barbican', '/opt/stack/python-barbicanclient', '/opt/stack/sahara', '/opt/stack/manila', '/opt/stack/python-manilaclient', '/opt/stack/manila-ui', '/home/dev/devstack/src/horizon', '/opt/stack/tempest', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '/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', '/opt/stack/horizon/openstack_dashboard'] Server time: Fri, 27 Nov 2015 13:48:04 +0000 To manage notifications about this bug go to: https://bugs.launchpad.net/neutron/+bug/1520581/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp