Riccardo Pittau 5ebea663cc Update sphinx requirements
Following recent changes to global requirements [1], we need
to update sphinx requirements locally.

[1] If558f184c959e4b63b56dec3ca1571d1034cfe5c

Change-Id: I9088c6a63f9cf51dd17f576c6b675278646836b6
2019-05-23 10:27:10 +02:00
..
2019-05-23 10:27:10 +02:00