On 10/23/2019 2:03 AM, yu.chengde at 99cloud.net wrote: > "AttributeError: 'module' object has no attribute > 'COMPUTE_IMAGE_TYPE_AKI'" You need os-traits >= 0.12.0: https://review.opendev.org/#/c/648147/ Nova's lower-constraints.txt should also specify a version that includes that if you're honoring the lower-constraints file packaged in the repo. -- Thanks, Matt