
syncs sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. Change-Id: Ic909ffca550329c8ba23e4ffe9f18f601d674a3b
syncs sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. Change-Id: Ic909ffca550329c8ba23e4ffe9f18f601d674a3b