Test that our divisions are the right type
Test that our divisions are the right type

freeman-lab/dask,ssanderson/dask,dask/dask,mraspaud/dask,jakirkham/dask,jayhetee/dask,mrocklin/dask,clarkfitzg/dask,freeman-lab/dask,chrisbarber/dask,blaze/dask,blaze/dask,PhE/dask,jakirkham/dask,mraspaud/dask,jayhetee/dask,ContinuumIO/dask,jcrist/dask,pombredanne/dask,ContinuumIO/dask,vikhyat/dask,simudream/dask,mrocklin/dask,ssanderson/dask,mikegraham/dask,clarkfitzg/dask,PhE/dask,simudream/dask,wiso/dask,cowlicks/dask,cpcloud/dask,wiso/dask,vikhyat/dask,dask/dask,pombredanne/dask,gameduell/dask,jcrist/dask