I'm also met this error when I try to use devstack-stable/mitaka install openstack on Centos7. I find that the patch [1] haven't been accepted.
I want to know how to solve this error when we use devstack-stalbe/mitaka version to install openstack on Centos7 ?
[1] http://git.openstack.org/cgit/openstack/requirements/tree/upper-constraints.txt?h=stable/mitaka#n171
I'm also met this error when I try to use devstack- stable/ mitaka install openstack on Centos7.
I find that the patch [1] haven't been accepted.
I want to know how to solve this error when we use devstack- stalbe/ mitaka version to install openstack on Centos7 ?
[1] http:// git.openstack. org/cgit/ openstack/ requirements/ tree/upper- constraints. txt?h=stable/ mitaka# n171