point docs/requirements.txt to master dask
point docs/requirements.txt to master dask

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