spotify/luigi — pull request #476 by Tarrasch (2014-09-30 09:06:45+00:00)
Title: Add sqlalchemy as deb build dependency

I verified that this works by running this on Spotify's internal build
agents. Previous builds were failing with message

AttributeError: 'module' object has no attribute 'SkipTest'

Because db_task_history couldn't be loaded.