go back to protobuf == 3.0.0b2 in requirements.txt to keep readthedocs happy
go back to protobuf == 3.0.0b2 in requirements.txt to keep readthedocs happy

opveclib/opveclib,hewlettpackardlabs/opveclib,hewlettpackardlabs/opveclib,hewlettpackardlabs/opveclib,opveclib/opveclib,opveclib/opveclib