tweak key split function for progressbar
tweak key split function for progressbar

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