Scheduled weekly dependency update for week 06 (#289)
Scheduled weekly dependency update for week 06 (#289)

* Update flake8 from 3.7.1 to 3.7.5

* Update mozlog from 3.10 to 4.0

* Update pytest from 4.1.1 to 4.2.0

mozilla-services/go-bouncer,mozilla-services/go-bouncer,mozilla-services/go-bouncer