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Sync sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. Change-Id: Id4eca6372cb3c9df048af11639b1159bb9451fa6 Closes-Bug: #1831517
Sync sphinx dependency with global requirements. It caps python 2 since sphinx 2.0 no longer supports Python 2.7. Change-Id: Id4eca6372cb3c9df048af11639b1159bb9451fa6 Closes-Bug: #1831517