Dask conversion cost change.
Dask conversion cost change.

We want:
cost(np <- dask.Array <- h5py.Dataset) > cost(np <- h5py.Dataset)

alexmojaki/odo,ywang007/odo,quantopian/odo,blaze/odo,blaze/odo,ContinuumIO/odo,cpcloud/odo,alexmojaki/odo,Dannnno/odo,cowlicks/odo,ywang007/odo,cowlicks/odo,ContinuumIO/odo,cpcloud/odo,quantopian/odo,Dannnno/odo