
Sync sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. Change-Id: I1115e2eb6d15af3ea69ef561fa6dc57d198922ab
Sync sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. Change-Id: I1115e2eb6d15af3ea69ef561fa6dc57d198922ab