Reflect module renames in test_dask.py
Reflect module renames in test_dask.py

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