def remove_tenant_user_role(request, project=None, user=None, role=None,
                            group=None, domain=None):
    manager = keystoneclient(request, admin=True).roles
    if VERSIONS.active < 3:
        return manager.remove_user_role(user, role, project)
    else:
        return manager.revoke(role, user=user, project=project,
                              group=group, domain=domain)
Removes a given single role for a user from a tenant.
dataset/ETHPy150Open Havate/havate-openstack/proto-build/gui/horizon/Horizon_GUI/openstack_dashboard/api/keystone.py/remove_tenant_user_role