User-agent:
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:9.0) Gecko/20111222 Thunderbird/9.0.1
This import occurs at line 41 of tempest/services/image/service.py. I
noticed other places in the code that changed behavior based on whether
glance was there or not. Is this a bug or is glance dependency endorsed?
