
1. Sync sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. 2. Remove unncessary "==" Change-Id: I86e633512de5e35384f8dc7aa0b29a1fc07aef97
1. Sync sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. 2. Remove unncessary "==" Change-Id: I86e633512de5e35384f8dc7aa0b29a1fc07aef97