Work-around for travis-ci #9815; Use pipenv sync.
Work-around for travis-ci #9815; Use pipenv sync.

hendrix/hendrix,jMyles/hendrix,jMyles/hendrix,hendrix/hendrix,hangarunderground/hendrix,hangarunderground/hendrix,jMyles/hendrix,hangarunderground/hendrix,hendrix/hendrix,hangarunderground/hendrix