remove bytesio from protocol
remove bytesio from protocol

mrocklin/distributed,dask/distributed,amosonn/distributed,dask/distributed,blaze/distributed,mrocklin/distributed,dask/distributed,dask/distributed,broxtronix/distributed,amosonn/distributed,broxtronix/distributed,amosonn/distributed,broxtronix/distributed,mrocklin/distributed,blaze/distributed