This will need to get python love and also to check if that downstream patches are still needed (I am not familiar with this package at all :S)
commit f7c9bab94abf59e07cfe4811b856434932127942 Date: Sat Mar 5 22:48:13 2016 +0100 dev-util/dogtail: version bump to 0.9.9, bug #573388